I really don't feel like doing these so 30 points for this, marking brainiest and doing a 25 point giveaway if the answer is legit

Statistical tv, Library, 6th graders

Step-by-step explanation:

I don't want do do all but here is some

$25

step-by-step explanation:

25 - 4.50 = 20.5

20.5 / 2 = 10.25

10.25 + 10 = 20.25

20.25 - 12.50 = 7.75

therefore the answer is $25 as shown as the first number.