Kong took 15%fewer secounds than Nolan took to complete his test.Kong took 85 secounds. How many secounds did Nolan take

asked Oct 16, 2019 139k views

2 votes

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4 votes

Answer:

100sec

Explanation:

100-15=85%

85%/85s = 100%/x

Crisscross method

x=8500/85

x=100s

Glenn Sampson answered Oct 20, 2019