SOLUTION: A child is given an allowance of $1.25 per day for chores. The parent says they will increase the allowance by 75 cents per day after a month. What is the percent increase the chi

Question 964346: A child is given an allowance of $1.25 per day for chores. The parent says they will increase the allowance by 75 cents per day after a month. What is the percent increase the child receives?
The answer is 60 percent, could you please teach me how to solve this problem?
Found 3 solutions by josgarithmetic, macston, Edwin McCravy:
Answer by josgarithmetic(39621)   (Show Source): You can put this solution on YOUR website!
Start with 1.25.
Change to 1.25+0.75=2.00.

Amount of increase was given, 0.75.
What PERCENT increase, how many parts of 100 original parts?

, a proportion.
p is the number of parts in one-hundred parts of the starting number.
Seventy five hundreds is how many parts per hundred original parts of 1.25?

Just solve the proportion.

Answer by macston(5194)   (Show Source): You can put this solution on YOUR website!
To find percent increase, take amount of increase ($0.75) divide by the original amount ($1.25) and multiply by 100%.
$0.75/$1.25=0.60 and (0.60)(100%)=60%.
Answer by Edwin McCravy(20060)   (Show Source): You can put this solution on YOUR website!

I'd rather just give you a formula that you can use to find ANY percent change in ANY amount, whether it's an increase or a decrease: Edwin

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