Evaluate -2/5-4/5+(-9/10)
1 answer:
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Greetings!
An item at full price is 100%, or by using the percentage formula:
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:
which is 0.7
So your answer would be D, 0.7!
Hope this helps!
The answer is at the bottom hope this helps
