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Suppose that 16 inches of wire costs 80 cents. At the same rate, how many inches of wire can be bought for 45 cents?​
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Suppose that 16 inches of wire costs 80 cents. At the same rate, how many inches of wire can be bought for 45 cents?​

User Arunprabhu
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9 inches. The math: the ratio of 16/80 is equal to 1/5. So, x/45 must also equal 1/5. (x/45=1/5) Multiply both sides of the equation by 45 to isolate the x value; x=9.
User Eugene Mihaylin
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