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.
Answer:
464
Step-by-step explanation:
351 + 113. Add them both together to get your answer.
94/100 miles is the answer. I dont know what form you wanted the answer in but yeah.