Question

For babysitting, Nicole charges a flat fee of $3, plus $10 per hour. Write an equation for the cost, C, after h hours of babysitting. What do the slope and y-intercept represent according to the situation? How much money will she make of she babysits 5 hours?

Answer 1

if she makes 3+10 dollars per hour we can write a ratio of 13 dollars: 1 hour. In 5 hours she makes 13 x 5 dollars = 65 dollars. The slope represents the dollars made and the y intercept represents hours worked.

Explanation:

Ratios

Answer 2

C = 10h + 3

The slope represents how much money Nicole charges for every hour she babysits. The y-intercept represents how much money Nicole charges for 0 hours of babysitting.

Nicole will make $53 after babysitting for 5 hours.

Explanation:

Insert the amount of hours.

C = 10(5) + 3

Solve.

C = 50 + 3

C = 53