Question

Kong took  15%

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

Answer 1

100

Explanation:

add 15% to 85 (85+15=100)

Answer 2

Well in this this case you would do:

.15 x 85 = 12.75

So Nolan took 12.75 seconds