Junwei bought 15 pencils at 2x each and 24 pens at 4y cents each.find the total amount of money,in dollars,that he paid for the pencils and pens
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The total amount of money he paid for the pencils and pens is (30x + 40y) x 0.01 dollars.
Step-by-step explanation:
Total number of pencils bought by Junwei = 15
Cost of each pencil = 2x cents
Cost of 15 pencils = 15 x 2x = 30x cents
Total number of pens bought by Junwei = 24
Cost of each pen = 4y cents
Cost of 24 pens = 24 x 4y = 48y cents
Total amount paid for pencils and pens = (30x + 40y) cents = (30x + 40y) x 0.01 dollars
[ 1 cent = 0.01 dollar]
Hence, the total amount of money he paid for the pencils and pens is (30x + 40y) x 0.01 dollars.
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