Martin’s mom gives him $5 for his birthday and then $0.50 for each day he completes his homework. A. Write an expression with one variable that represents the amount of money he receives during the school year.

B. Use the equation to find the number of days Martin needs to complete his homework in order to buy new shoes that cost $20.

C. After 15 days of doing homework, how much money has Martin earned?

After 15 days he has earned $7.50

Step-by-step explanation:

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

-22

times both sides by 2, times () by 8, add alile terms, move terms, add alike and caculate divide both sides by 3