Question

is 16.7 a reasonable sum for 7.5 + 9.2 explain

Answer 1

yes.

7.5 + 9.2 = 16.7

7 + 9 = 16

.5 + .2 = .7

hope this helps

Answer 2

yes it's reasonable because when you add the last digits which are 5 and 2 you get 7 and when you add the first digits you get 16.