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3 years ago

5

A factory that produces piano keys churned out 545,952 keys in 12 months. A piano requires 88 keys. How many pianos can be produ

ced using the keys from the first 3 months?

1 answer:

Margarita [4]3 years ago

7 0

Answer is 517
545,952 divided by 12=45,496
45,496 divided by 88= 517

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You can use these Cramer's formulas to solve for x and y:

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