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Q.1:
The original price of a shirt was $20. It was decreased to $15 . What is the percent decrease of the price of this shirt.
Q 2:
Mary has a monthly salary of $1200. She spends $280 per month on food. What percent of her monthly salary does she spend on food?
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Solution to Problem 1:
The absolute decrease is
20 - 15 = $5
The percent decrease is the ...
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