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
1 answer:
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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