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Chapter 2: Q. 2.80 (page 152)
Kailee paid $14.74 for stamps. The number of 49-cent stamps was four less than three time the number of 20-cent stamps. How many 49-cent stamps and how many 20-cent stamps did Kailee buy?
The number of 20-cent stamps = 10
The number of 49-cent stamps = 26
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