Ty has 4 times as many shells as Erin does, Erin has 36 shells. She wants to know the total number of shells Ty has. She solves the problem with a number sentence:
36 X 4 = 144
Which problem can Erin use to check the answer?
O A 36-4
ООО
B. 369
O C. 144:4
OD. 144 x 4
E. 144 x 36