Mathematics, 17.09.2019 00:10 nana54muller
You buy 3 notebooks and a backpack. the cost of the backpack is 24.00. you pay 6 percent in sales tax on n your purchase and your bill is 36.57.how much does each notebook cost ?
Answers: 3
![1.06(3x+24)=36.57\\ \\106(3x+24)=3,657\ [\text{Multiplied by 100}]\\ \\318x+2,544=3,657\\ \\318x=3,657-2,544\\ \\318x=1,113\\ \\x=3.5](/tpl/images/0234/6742/a4e79.png)
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You buy 3 notebooks and a backpack. the cost of the backpack is 24.00. you pay 6 percent in sales ta...
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