Question

spends 2 hours and 20 minutes trading stickers and 125 minutes doing homework. What activity does he spend more time on? How much more time?

Answer 1

Answer: He spends more time trading stickers by 15 minutes.
Step-by-step: 1 hour is 60 minutes. So 2 hours is 120 minutes. 120 minutes plus his 20 minutes is 140 minutes. Subtract it from his homework time and he spends 15 more minutes trading stickers.