Question

Serenity wants to ride her bicycle 35.8 miles this week. She has already ridden 17 miles. If she rides for 4 more days, what is the average number of miles she would have to ride each day to meet her goal?

Answer 1

4.7 miles

Explanation:

let x = miles per day

numbers a day ⋅ miles per day + miles already biked = total goal

4x+17=35.8

-17 -17

4x=18.8

4x/4 =18.8/4

x=4.7

Answer 2

4.7 miles

Explanation:

let x = miles per day

numbers a day ⋅ miles per day + miles already biked = total goal

4x+17=35.8

-17 -17

4x=18.8

4x/4 =18.8/4

x=4.7