Question

Joe and Janna leave home at the same time, traveling in opposite directions. Joe

drives 45 miles per hour and Janna drives 40 miles per hour. In how many hours will
they be 510 miles apart?
O a) 7 hours
Ob) 6 hours
Oc) 4 hours
Od) 5 hours​

Answer 1

B

Explanation:

because if you do 40 times 6 and 45 times 6 you get 270 and 240 and you add them up for 510