Question

Kong took 15% percent fewer seconds than Nolan took to complete his multiplication timed test. Kong took 85 seconds. How many seconds did Nolan take?

Answer 1

Kong took

15% fewer seconds than Nolan took. So Kong took

100%−15%=85%

85/.85=.85*?/.85

100=?

Which means that Nolan took 100 seconds.

This is all from Khan Academy so it's correct!!

Hope this helps!!