chelly3 chelly3

30-05-2016
Mathematics

contestada

the telephone company purchased 95 yards of wire for $1235 in september. they plan on making a purchase of 285 yards in October. how much will the same wire cost then

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apologiabiology apologiabiology

30-05-2016

ratio and propoertion

cost/amount is constant
1235/95=x/285
cross multiply or time both sides by (95 times 283)
351975=95x
divide oth sies by 95
3705=x

the cost is $3705

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