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chiquita77
18.10.2019 •
Mathematics
You can buy 5 cans for green beans at the village market for 3.40 you can buy 10 of the same cans of beans at sams club for 5.90. what place is better buy?
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Ответ:
Ответ:
Step-by-step explanation:
The LCD, or the lowest common denominator would be![a^2-1](/tpl/images/2500/3227/8d4fe.png)
If we multiply the second term
by
(
is equivalent to 1, so we can do this,) we can see that the denominator would become the same as the first term
by difference of squares. So that creates an LCD of ![a^2-1](/tpl/images/2500/3227/8d4fe.png)