Answer:
Step-by-step explanation:
suppose you're in the grocery and are trying to decide which brand of beans you want to purchase. One is $0.87 for 13 oz and the other is $1.29 for 15 oz. By finding the unit rate for each, you'll have something easily compared.
$0.87
---------- = $0.07 / oz
13 oz
$1.29
--------- = $0.86 / oz
15 oz
The first brand is cheaper than the second brand.
31
25/0.80=31.25
(You cant have a quarter of a parking space.)
AE/ED=AB/BC
9/6=x/10
x=15
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