Dev has 108 stamps. His brother has 3 times as many stamps as Dev has. How many stamps do they both have altogether?
A. 540
B. 216
C. 432
D. 324
Answer:C
Dev has 108 stamps. His brother has 3 times as many stamps as Dev has. How many stamps do they both have altogether?
A. 540 B. 216 C. 432 D. 324