kking25s kking25s

25-05-2020
Mathematics

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Ashley made a circular picture frame with a diameter of 60 cm. She wants to glue string around the outside edge of the frame. String cost $0.32/cm. What is the total cost of a string before taxes?

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TheLazyNobita TheLazyNobita

25-05-2020

Circumference = πD

Circumference = 22/7 × 60 = 1320/7 cm

Cost of 1 cm = $0.32

Cost of 1320/7 cm = 32/100 × 1320/7 = $ 60.34

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