Can someone please explain how to do this question because I am having a difficult time trying to figure it out. An answer with an explanation would be nice. Thank you.

Question

asked Nov 26, 2020 62.3k views

1 Answer

Serpiton · Answer 1 · 2020-12-02T04:48:59+0000

the answer is B
Explanation: 4/5 of an hour is .8 of an hour 90 minutes is 1.5 hours. .8+1.5+1.7= 4. therefore, the answer is 4 hours