I hope this helps you
if 3/8 miles per a hour
7/8 miles ? hour
?.3/8=7/8.1
?=7/3
?=2,3333... hour
All of them except A and C are equivalent.
Hello there!
64 - 2² - (8 + 7)
= 64 - 4 - 15
= 60 - 15
= 45
Let me know if you have any misunderstanding!
As always, I am here to help!