SOLUTION: What number increased by 25 equals 40 ?

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Question 549921: What number increased by 25 equals 40 ?
Answer by prateekagrawal(56) About Me  (Show Source):
You can put this solution on YOUR website!
Let the number be x.
then
.
x+25= 40
Subtract 25 from both the sides.
x= 40-25 =15
x=15 is the answer.