Adreanna, this is the solution to the exercise:
Let's solve for t:
2.5t = 20
Step 1: Multiply by 10 at both sides to deal with whole numbers, as follows:
2.5t * 10 = 20 * 10
25t = 200
Step 2: Now we divide by 25 at both sides to solve for t, this way:
25t/25 = 200/25
t = 8