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OpenStudy (anonymous):
A bookcase has four shelves 120 cm long. Find the cost of the shelves when the price of lumber is $4.50 per meter. A- $540 B- $2,160 C- $21.60 D- $5.40 I say A but need a second opinion
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ganeshie8 (ganeshie8):
A is wrong start by finding how many meters of lumber is required for 4 shelves
ganeshie8 (ganeshie8):
keep in mind 100cm = 1 meter
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