kong took 15% fewer seconds than Nolan took to complete this math timed test. Kong took 85 seconds. How many seconds did Nolan take?
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Answered by
25
Answer:
let nolan take x second then he take 15℅ less of x = 85 second
so x-15/100×x =85
=(100x-15x )/100=85
=85x/100=85
=85x=8500
=x=8500/85
=x=100
:. he take 100 second
Answered by
3
Answer:First we will take out 15% of 85 sec
That will be 12.75 s
Then we will subtract it from 85 to get 72.25s
Nolan took 72.25s
Step-by-step explanation:
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