The price of a DVD movie was reduced from $20 to $18. By what percentage was the price of the DVD movie reduced? *
1 answer:
Answer:
A. 10%
Step-by-step explanation:
First calculate how much percentage is in one dollar, which is 5% per dollar, then times that by how much money is deducted which is $2, and you will get your answer 10%.
Hope this helps good luck!
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Step-by-step explanation:
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Answer:
x=-1
Step-by-step explanation:
This is a simple consequence of the Zero-sum problem: https://en.wikipedia.org/wiki/Zero-sum_problem
