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5 scientific calculators are being sold for $135 at a school supply store, Mary needs to
buy 35 calculators for her students. How much should she expect to pay at this rate?

Respuesta :

$945 because 135 divided by 5 is 27 and 27 times 135 equals 945

Mary expects to pay $954 at this rate for 35 calculators

How do you find the rate per item?

If you have a rate, such as a price per a certain number of things, and the denominator quantity is not 1, you may determine the unit rate or price per unit by dividing the numerator by the denominator.

How to find 35 calculator's price?

Five 5 scientific calculators are being sold for $135.

then the per calculator's cost is 135/5= $27.

And Mary needs to buy 35 calculators for her students

then 35 calculators is 35×27 = $954.

Hence she expects to pay $954.

Learn more about the rate per item here: https://brainly.com/question/14469368

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