Answer:
the 11 inch big zip for 7.75
Step-by-step explanation:
11 inch big zip for $7.75
Find the unit price of the 8 inch little zip for $6.25
$6.25/8 = $0.78 per inch of zipper
Find the unit price of the 11 inch big zip for $7.75
$7.75/11 = $0.70 per inch of zipper
The better deal is the 11 inch big zip because it has the lower cost per inch.
4
2+2=4
thanks:D
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you can compare the length of sides of both the triangles...