Debra drove her go-kart around a track 3 times. She drove a total of 7.8 kilometers.

Question

(a) Let d be the distance around the track (in kilometers). Write an equation that can be used to find d. First choose an appropriate form. Then fill in the blanks with the letter d and the numbers 3 and 7.8.
?
X
(b) Solve your equation for d to find the distance around the track.
kilometers
X
5

Answer 1

(a) The appropriate form of the equation is: d * 3 = 7.8

(b) To solve for d, divide both sides of the equation by 3:
d = 7.8 / 3 = 2.6 kilometers