I think it would be 72+4x=400
400-72= 328
328/4= 82
So the answer would be 82=x
Oliver is incorrect because if he were correct he would learn for 2 hours and 15 minutes because, 45 minutes * 3= 2:15 minutes.
Answer:
30
Step-by-step explanation:
5 1/2 = 11/2
11/2 x 3/4 = 33/8 = 4 1/8
answer is B. 4 1/8
6 - 3 = 3
-2 - (-9) = 7
(3 , 7)
