Question

Noelle has set a goal to run more than 50 mi this month. So far, she has run 10 mi. Her average running speed is 5 mph.

Let h represent the number of hours Noelle runs for the rest of the month.

To meet her goal, Noelle must run more than _ h the rest of the month.

Answer 1

To meet her goal, Noelle must run more than
`8\ hours` the rest of the month

Explanation:

Let

h-------> the number of hours Noelle runs for the rest of the month

we know that

The inequality that represent the situation is

`10+5h>50`

Solve for h

Subtract 10 both sides

`5h> 50-10`

`5h> 40`

Divide by 5 both sides

`h> 8\ hours`