Question

In a staring contest, suppose you stare at your friend for 2 minutes without blinking. Your friend stares at you without blinking for 9/10 of that time. How long does your friend stare?

Answer 1

1 minute and 48 seconds

Explanation:

9/10 = 0.9

2 minutes = 120 seconds

0.9 x 120 = 108

108/60 = 1.8

0.8 x 60 = 48

So 1 minute and 48 seconds