econsta3 econsta3

20-10-2018
Mathematics

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Gwen bought 3 1/4 yards of fabric for $16.22. Write and solve an equation to determine how much 12 yards would cost.

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sarshaly sarshaly

20-10-2018

3[tex]\frac{1}{4}[/tex]x = 16.22

x = 16.22 ÷ 3[tex]\frac{1}{4}[/tex] = 16.22 × [tex]\frac{4}{13}[/tex] = 4.9907 ≈ 5

x = 5

Verification: 3[tex]\frac{1}{4}[/tex] × 5 = 16.25 ≈ 16.22

How much do 12 yards of fabric cost?

5 × 12 = $60

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