Ahmad earned 4 times more money babysitting last month than his sister Rachel. If Rachel earned $28 last month babysitting, which equation represents how much Ahmad earned (e)?

Q: Penelope is A years old, and Odie is B years old. Odie is just 2 years short of being 3 times…

A: we have to find

Q: A new iPhone is estimated to lose 25% of its value every six months after is purchase. The cost of…

A:

Q: Joseph spent 5 hours hiking yesterday and hiked for a distance of 8 miles. If s is the average speed…

A: The equation is

Q: Kayleigh babysat for 11 hours this week. That was 5 fewer than 2/3 as many hours as she babysat last…

A:

Q: A study found that a student’s GPA, g, is related to the number of hours worked each week, h, by the…

A: g=-0.0006h2+0.015h+3.04 Put g=2.97 in g=-0.0006h2+0.015h+3.04, we get…

Q: You have $274 in your savings account. You have a $138 direct deposit each month to this account and…

A: Solution

Q: Sara is 6 years older than her brother. In 5 years she wil be twice as old as her brother. What is…

A: suppose sara age=x     her brother age=y x=6+y.........1 in 5 years (X+5)=2(y+5)

Q: The amount of military spending M (in biliions of dollars) in the U.S. during year t is given…

A: Given:The amount of military spending M in the U.S. during year t is givenapproximately…

Q: Find the value of the variable 1/3a = 2

A: Given: 13a=2

Q: Jim is 3 times as old as his cousin and the difference in their ages is 18. How old is Jim?

A:

Q: Suppose the value of a car V is related to the number of years since its purchase by the formula V =…

A: Here the value of car  is given V = 25000-2100n After 5 year then n = 5

Q: Simon is a third of his dads age. In 12 years his dad will be twice as old as Simon. What are their…

A:

Q: Charlie and Brown receive the same amount of salary every month. Charlie saves 3/5 of his salary…

A:

Q: Mr. Stewart put $2000 in an investment account that increases his total investment amount by 10%…

A: Amount Of Investment = $2000 Interest on Investment = 10% His investment increases every month. So,…

Q: Find the value of the variable 3/4a=9

A: Given,     34a=9 We have to find value of 'a'

Q: The graph shows the amount of a medicine m, in milligrams, remaining in a patient's body h hours…

A: The graph passes through the points (0,270) and (1.5, 80)

Q: Braden invested $900 in a mutual fund. Each year, Braden's investment grew by 2%. Which equation…

A:

Q: Ms. Chang sold 28 cars. She sold 8 fewer than as many cars as Mr. Diaz. Which equation can be used…

A: Here c is the number of cars Mr.Diaz sold

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.