Question

If 3 + 0.7 is equal to 0.7 plus a number, what do you know about the number?

Answer 1

I'm not sure of the answer choices but your answer would be 3.

Explanation:

We know that 3 + 0.7 = 3.7, you can take this information and reverse it. 3.7 - 0.7 = 3.