evanlubbe53
04.07.2019 •
Mathematics
Which is the better buy 3 pounds for 8.31 or 5 pounds for 12.95
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Ответ:
explanation:
to solve, find the unit rate. the cheaper unit rate is the best and cheapest choice.
8.31/3 = 2.77
12.95/5 = 2.59
5 pounds for 12.95 is the cheaper choice because it has a smaller unit rate.
Hope this helps! :D
Ответ:
9x+2y=80
7x+4y=72
-
x=popcorn
y=pretzels