Question

Maddy earned $25 babysitting for 4 hours. At this rate, how much money, in dollars, would Maddy earn by babysitting for 11 hours?68.75b 75.00C 93.75d 100.00

Answer 1

The unit rate is:

`\frac{25\text{ \$}}{4\text{ hours}}=6.25\frac{\text{ \$}}{\text{ hours}}`

Then, after 11 hours she will earn:

`11\text{ hours}\cdot6.25\frac{\text{ \$}}{\text{ hour}}=68.75\text{ \$}`