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kompoz [17]
3 years ago
9

Which of the following expressions could be used to find the sale price of an item that costs d dollars if it is on sale for 30%

off? 30 d 0.3 d 0.7 d 70 d
Mathematics
1 answer:
Elenna [48]3 years ago
6 0

Greetings!

An item at full price is 100%, or by using the percentage formula: (\frac{percentage}{100})

If something is at 30% off, that means it is 70% of the original price (because minus the percentage from the 100%)

So by substituting the numbers into the percentage formula you end up with:

(\frac{70}{100}) which is 0.7

So your answer would be D, 0.7!


Hope this helps!

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