20218

Question

Riley participates in a walkathon at the local athletics track.

His uncle donates $40.

His father donates $8 per lap of the track that Riley walks.

How many laps does Riley need to walk to raise $160?

Worked Solution

Let x=\large x = number of laps Riley needs to walk
160 = 8x\large x + 40
8x\large x = 160−40160 - 40
∴x\therefore \large x = 1208\dfrac{120}{8}
= {{{correctAnswer}}}

Variant 0

DifficultyLevel

575

Question

Riley participates in a walkathon at the local athletics track.

His uncle donates $40.

His father donates $8 per lap of the track that Riley walks.

How many laps does Riley need to walk to raise $160?

Worked Solution

Let x=\large x = number of laps Riley needs to walk
160 = 8x\large x + 40
8x\large x = 160−40160 - 40
∴x\therefore \large x = 1208\dfrac{120}{8}
= 15

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
correctAnswer
15

Answers

Is Correct?Answer
x

14

✓

15

x

18

x

24