Question

Juan's pit crew was able to get his car back onto the racetrack 0.4 seconds faster than Paul's crew. Paul's crew took 1.3 seconds longer than Terry's crew. Terry's crew took 5.8 seconds to complete their pit stop. How long did Juan's crew take?

Answer 1

6.7 seconds

Explanation:

Juan= Paul-0.4

Paul=Terry+1.3

We can substitute Terry+1.3 for Paul since they are equal

juan=(Terry-0.4)+1.3

terry=5.8

juan=(5.8-0.4)+1.3

juan=6.7