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zoeybuch5
08.06.2020 •
Mathematics
Betty bought two bags full of books at an annual library book sale. If she
pays a total of $12.90 for both bags, of which $0.90 is tax, how much did
each bag of books cost?
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Ответ:
12.90= .90+ 2x
12=2x
6=x
Each bag of books cost was $6
Ответ:
the answer is $6
Step-by-step explanation:
Since Betty payed .90 cents on tax we can subtract this from the equation because we are just trying to focus on how much she spent on one bag. Now all we have left is $12. Then we would have to divide 12 by the number of bags she bought, so 2. 12 divided 2 equals 6, meaning Betty spent $6 per bag.
Ответ:
73x + 6 = 28
73x = 28 - 6
73x = 22
x = 22/73
Step-by-step explanation:
hope it helps you