supposed a item sold for was 75 cent per pound.now it's 81 how much percent did it go up to
Stacey Warren - Expert brainly.com
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Oh, so your first cost is `75 cents per item`.
Then, the cost has gone up to `81 cents per item`.
You want to find the following:
by how many percent did the original price went up
I will give you an example:
If my first price was `60 cents per item`
and the new price was `90 cents per item`
THEN to find the "percentage increase"
(or "by how many percent did the original price go up")
I would do this:
So I know the price per item has gone up by 30 cents.
30 ÷ 60= ½
So I know that the price hs gone up by half of the original price.
How many percent is ½?
Converting ½ to percent, we get: (1/2)•100=50
The price has gone up by 50%.
But, if you want to know how many percent it has gone up `TO`
then, you will add the precents.
Your original price 60 cents (per item) is 100%
And it has gone up by additional 50% (as we found out)
So in that example, it has gone up to 150% of the original price.