A movie star, unwilling to give his age, posed the following riddle to a gossip columnist: "3 years ago, I was 10 times as old as my daughter. Now I am 7 times as old as she is." How old is the movie star? I am just unsure how I am suppose to find the answer?

Q: I am three times as old as my son.Five years later,I sall be two and half time as old as my son.How…

A: In the question, I am three times as old as my son Five years later,I sall be two and half time as…

Q: One day Stephanie visited a zoo and saw a family of 5. She asked them for their age. The parents…

A: Our objective is to find the ages of the parents.

Q: An employee makes $26 an hour. The employee gets paid 2.5 times his normal wage for any hours (or…

A: It is given that an employee is getting $26 for an hour. (A) In a week, if 37 hours are working…

Q: Uprising, Pietro stated that Bella would make $4.00 per week working at the Triangle Shirtwaist…

A: Given query is to find the amount made per hour.

Q: answer the question with an algebraic expression. Crystal is n years old. How old was she 5 years…

A: Given: Crystal is n years old. For instance: Let Crystal is10 years old. So, 5 years ago she was:…

Q: Daniel is 4 times as old as Charlie. He is also 27 years older than Charlie. How old is Daniel?…

A: Solution: Let  the age of charlie =x  Acc to question Daniel age = 4(Charlie age)=4x.…

Q: A person is 4 years old and his sister is half his age, so if this person is a hundred years old,…

A: Given: Age of the person = 4 years Age of the sister = 2 years (half of that of person's age)…

Q: Mavis and Travis discuss strategies for estimating and comparing 61,000 and 29,000. Mavis says she…

A: Let's compare the numbers by Mavis' method first. According to Mavis, each number is rounded to its…

Q: (d) If there are 500 men, how many would you expect to be taller than 71 inches? Write a complete…

A: d) The probability that men are taller than 71 inches is given by  P( X>71) =…

Q: "Ned No-Idea" was what everyone called him. His real name was Ned Franklin, but everywhere he went…

A: Number of relatives= 13Number of ideas each relative sent= 11

Q: A study found that the average home price for 14 houses in one community was $285,000.  Two more…

A: We need to find new average price.

Q: Mr. Imperfecto, a math teacher, gives a test to a class of 17 students.  The average grade on the…

A:

Q: If you add an odd and an even number together, what kind of number do you get as your sum? Explain…

A:

Q: If James grows by 20 inches every day starting Monday, what is the difference in his height between…

A: James grows by 20 inches every day starting Monday, what is the difference in his height between…

Q: A man is 6 feet tall and his shadow measures 5 feet. If the shadow of a tree near the man measures…

A:

Q: How would you solve this problem if there was repeated letters like lets say " MISSISSIPPI?

A: It is given that word MISSISSIPPI.

Q: During Rachel’s birthday party, Rachel thinks about the ages of her parents and herself. Rachel…

A: The objective of the question is to find the ages of Rachel, her mom, and her dad using the given…

Q: A cereal company is deciding which box to use for their new line of cereal. The first box has a base…

A: Dimensions of first box:  length=6.5 inches, width= 2 inches, and height=10 inches. Dimensions of…

Q: A census taker visited the Jones household, and asked Mrs. Jones for the age of her three sons. Mrs.…

A: After knowing that the ages multiply to 76, here is a complete list of the possibilities:Ages:…

Q: If the value of 10 coins is $2.20 , then 8 of these coins could be (A) pennies (B ) nickels (C)…

A: If the value of 10 coins is $2.20 , then 8 of these coins could be?

Q: Make up a question that has 25 -1 as its solution. Explain.

A:

Q: how do I plug in the numbers? That is the part I am stuggling with.

A: We have the values f(6)=-1, f'(6)=3, g(2)=6, g'(2)=5   find the value of F(2) based on the…

Q: One person starts a rumour about how awesome math is. That person tells 8 people in about 1 hour. If…

A:

Q: As I went to pay for my coffee, I saw a sign saying, “Win free coffee for a year! Choose 4 different…

A: The objective of this question is to find out the total number of different 4-digit passcodes that…

Q: l asked a grandfather about his age. He told me: My grandson age in days equal to the age of my son…

A:

Q: In the article, there is a copy of the advertisement Washington placed in a Philadelphia newspaper…

A: In 1796, the amount a person had is $10.

Q: How could you find an unknown number missing from a fact triangle?

A:

Q: Last year's freshman class at Big State University totaled 5,320 students. Of those, 1,262 received…

A: Given: Meanμ=3450Standard Deviationσ=480

Q: Bob wants to change a $100 bill into an equal number of $20 bills, $10 bills, and $5 bills. Is this…

A: Given that, the total bill is of $100 that Bob wants to change with $20 bills, $10 bills, and $5…

Q: why teach mathematics in the primary school

A: In the primary school, basic mathematics is teaching like mathematics operation , counting, tables

Q: Johnny says that 2 is the smallest even number. Sally says that 0 is the smallest even number. What…

A: Two statements are given. We have to add something to these statements to make them mathematically…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.