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Chapter 3: Q. 371 (page 406)
In the following exercises, find
(a) the amount of discount and
(b) the sale price.
Emmett bought a pair of shoes on sale at 40% off from an original price of $138.
(a) The amount of discount is $55.20.
(b) The sale price is $82.80.
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Alison has three times as many dimes as quarters in her purse. She has altogether. How many coins of each type does she have?
Veronica is planning to make muffins from a mix. The package says each muffin will becalories and calories will be from fat. What percent of the total calories is from fat?
Susana invested a principal of $in her bank account with interest rate %. How much interest did she earn in years?
Liliana has in nickels and quarters in her backpack. She has more nickels than quarters. How many coins of each type does she have?
Sumanta has in nickels and dimes in her piggy bank. She has twice as many nickels as dimes. How many coins of each type does she have?
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