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V125BC [204]
2 years ago
14

The number of pencils sold varies directly as the cost.if 5 pencils cost $0.45,find the cost of 7 pencils.

Mathematics
2 answers:
vitfil [10]2 years ago
5 0
7 times 0.45 divided by 5 and you get 0.63
egoroff_w [7]2 years ago
4 0


first you do 5/.45

which equals 11.11111111111111111111111

so you round to 11 so you then you

add ,22 by .45

which equals .66

so the answer is:

$0.66

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