A number increased by 25% and the result is 9000. What was the original number? A.2250 B.7200 C.36000 D.11250

Option B, 7200

Step-by-step explanation:

Step 1:  Make an expression

A number increased by 25% and the result is 9000.

x * (1 + 0.25) = 9000

x * (1.25)

1.25x = 9000

Step 2:  Divide both sides by 1.25

1.25x / 1.25 = 9000 / 1.25

x = 7200

 Option B, 7200

so what is the question

step-by-step explanation:

b) well because you get well