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The cost of peanuts varies directly with the number of pounds. if 3 pounds of peanuts cost $6.30, what is the cost of 4.5 pounds

Respuesta :

you have to divide 6.30 by 3 for the price per pound, then you multiply the product by 4.5 thus you get your answer 9.45 pounds.
atrochelmann
$9.45

You can find the answer by, first, finding the cost per pound for the peanuts. You can do this by dividing $6.30 by 3 (hence dollars per pound). Once you've done that, should get $1.40 per pound. Then, all you need to do is multiply $1.40 by 4.5 pounds to get the final answer.

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