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Suppose at 21 inches of wire cost $.84 at the same rate how much incense for 14 inches of wire cost

Suppose At 21 Inches Of Wire Cost 84 At The Same Rate How Much Incense For 14 Inches Of Wire Cost class=

Sagot :

Step 1:

Concept:

The cost of wire varies directly to the length in inches

Step 2:

[tex]\begin{gathered} \text{If 21 inches cot \$0.84} \\ \text{Then 1 inches will cost = }\frac{0.84}{21}\text{ = 0.04 \$/inch} \end{gathered}[/tex]

Final answer

14 inches will cost = 14 x 0.04 = $0.56 = 56 cents

56 cents

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