Answer: D. 10.5 hours
Step-by-step explanation:
3 days, 3.5 hours each
3.5 * 3 = 10.5 hours
Answer:
D. 10.5
3.5 x 3 = 10.5
aerts is older by 1 year
1 is A 2 Is B
I hope this helps
-21
It would have to be -21 because there's -7, but the threes not negative so it would have to be -21