Question

Which expression can go in the blank to make the equation true? 60 – 31.2 + ? = 0 a. 60 – 31.2 b. -60 + (-31.2) c. 31.2 - 60 d. 60 - (- 31.2)

Answer 1

(c) 31.2-60

Explanation:

Given that

60 – 31.2 + ? = 0

`\Rightarrow ?=31.2-60`

This is the same as the expression in option (c) 31.2-60.

Hence, option (c) is correct.