Question

An adult blinks about 450 times in 30 minutes. A 12-year-old blinks 150 times in 15 minutes.How many more times does an Adult blink in 60 minutes than a 12-year-old?

Answer 1

1.5 times

Explanation:

450=30 minutes

450*2=900=60 minutes

150=15 minutes

150*4=600=60 minutes

900/600=1.5 times

Answer 2

An adult blinks 300 times more in 60 minutes than a 12 year old

Explanation:

450 x 2 = 900

150 x 4 = 600

900 - 600 = 300