Question

3.9 + t = 4.5
HEEEEEEEEEEELLLLP

Answer 1

Answer: t = .6

Explanation:

Sometimes working the problem backwards when you are confused helps.

Since the opposite of addition is subtraction, you would subtract.

This is also how you check your answers.

What is 4.5 - ? = 3.9

4.5 3.9

- .6 (t) + .6 (t)

3.9 4.5

Answer 2

t=0.6

Explanation:

subtract 3.9 from 4.5 and get your answer.

to check it just add 3.9 and 0.6 to get 4.5.