10) Pete is fast, Repeat is 3 times faster. If Pete and Repeat can complete the job in 56 minutes, how fast is Pete? (I want Pete's time only)

Question

asked Dec 19, 2022 107k views

1 Answer

Stevedbrown · Answer 1 · 2022-12-25T15:58:58+0000

Answer:

14 minutes

Explanation:

if Pete is x times fast then Repeat is 3x faster

so if both combine to complete a job in 56 minutes then we have

$x + 3x = 56 \\ 4x = 56 \\ x = 14$

remember Pete is x hence Pete was 14 minutes fast