There are nine water bottles in Devin's refrigerator. He adds three full boxes of water bottles to the refrigerator. Then he adds two more boxes that each has 1 fewer bottle than a full box. When he is done, there are 67 bottles in the refrigerator. Write and solve an equation to find the number of bottles in a full box.

Q: Tomas earns $28 each time he mows the lawn for a neighbor. Tomas mowed 39 lawns in the month of…

A: Tomas earns $28 each time he mows the lawn for a neighbor. Tomas mowed 39 lawns in the month of…

Q: brent had $25 when he went to the fair. after playin 3 games, he had $10 left. write an equation to…

A: Given: Total money Brent had = $25 Money left after 3 games = $10 To determine: Equation to…

Q: John and Joelle have $6.70 in total. John has $1.70 more than Joelle. Let x be the amount of money…

A: (1) x+y=6.7 (2) x=y+1.7 x=4.2, y=2.5

Q: Angela ate at the same restaurant four times. Each time she ordered a salad and left a $5 tip. She…

A: Let x be cost of salad. First time she spend x+5 dollars. Second time she spend x+5 dollars. Third…

Q: Barney wants to buy a DVD player and some DVD's.The DVD player costs $168 and the DVD's are $5.50…

A: Given, Barney wants to buy a DVD player and some DVD's.The DVD player costs $168 and the DVD's are…

Q: Justin earned $25.67 one week and $37.85 the next week. He also purchased a DVD for $19.99 and gas…

A:

Q: An author works on a new book and after writing a few chapters, begins a new plan to write 600 words…

A:

Q: Tyler moved 6.5 miles away from school. He missed the bus so he walked. If he is 1.2 miles from…

A: The total distance given is 6.5 miles.And he is 1.2 miles from the school.

Q: Katie

A: Let, x be a number of weeks Cost of motor scooter=$518 Already saved amount= $188 Earn amount each…

Q: Nancy has 53 marbles. She buys x marbles, after which her collection increases to 105 marbles. Which…

A:

Q: 2. Jeremy mowed several lawns to earn money for camp. After he paid $17 for gas, he had $75 leftover…

A:

Q: John's mom gave him 50 chocolates for his birthday. He gave each friend 3 chocolates and still had 2…

A: Given: The equation for the situation is 3x + 2 = 50.

Q: Laurie earns $7.50 per hour at the fruit stand plus an extra $2.00 per hour on Sundays. One week in…

A: Let x = Number of hours Laurie worked on Monday

Q: Jessica, Scott, and Pablo have a total of  $137  in their wallets. Scott has  4  times what Pablo…

A: Let x be the amount in Pablo's wallet. Since, from the given condition ,Scott has 4 times what Pablo…

Q: Over the weekend, you went to the shoe store.  You bought a pair of shoes for $50 and some pairs of…

A: Given that: Amount paid for a pair of shoes = $50 Amount of one pair of socks =$3 Total amount paid…

Q: Last​ season, a sports fan spent $1,870 to see his favorite team play 34 games. To see each​ game,…

A:

Q: mark went to the department store to buy gifts for his friends. he spent half of his money plus 50…

A: Given :   mark went to the department store to buy gifts for his friends. he spent half of his money…

Q: Solve the equationh + 1296 =0

A: solution.

Q: Kim had P1,260 while Lyn had P360. After they saved an equal amount of money, Kim had three times as…

A: Kim had P1,260 while Lyn had P360let each one save an amount of xThen each one had money Kim has…

Q: Jimmie and Connie work at a family dollar. Jimmie earn 7 more than 5 times the amount that Connie…

A: We can set up the equation and solve the equation as below.

Q: Ella is 120 cm tall. Emma's height is 40 cm less than twice Ella's height. How tall is Emma?

A: It is given that, Ella is 120cm tall.  So, let the height of Ella is, is denoted by h1 and…

Q: Each month Marla pays a $30 cell phone bill from her back account. At the end of one year, what is…

A: Given that Marla pays $30 each month for her cell phone bill from her bank account.

Q: Pete's salary is twice Joe's salary. Mark's salary is $200 less than Joe's salary. Andy's salary is…

A: Let us assume that: Joe's salary is = $x Pete's salary is = $2x Mark's salary is = $(x-200) Andy's…

Q: Asia has a job selling cars. She is paid $2,000 per month. She also gets paid $200 for each car she…

A:

Q: Bob paid $152 to get his car repaired. The total cost for the repairs is the sum of the amount paid…

A:

Q: chloe has 24 pens in her backpack colored blue or black .she has 8 black pens which equation is set…

A: Chloe has 24 pens in her backpack colored blue or black .She has 8 black pens we need to find the…

Q: Nicolas has gone up to the chalkboard to do math problems 7 more times than Briana. Nicolas has gone…

A: See the attachment

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.