If 21 + 22 + 23 + 24 + 25 is equal to 115, which of the following has the same value as 31 + 32 + 33 + 34 + 35?
A. 115 + 5
B. 115 + 25
C. 115 + 30
D. 115 + 50
Answer:D
If 21 + 22 + 23 + 24 + 25 is equal to 115, which of the following has the same value as 31 + 32 + 33 + 34 + 35?
A. 115 + 5 B. 115 + 25 C. 115 + 30 D. 115 + 50