Question

There were 32 volunteers to donate blood. Unfortunately, n of the volunteers did not meet the health requirements, so they couldn’t donate. The rest of the volunteers donated 470 milliliters each. How many milliliters of blood did the volunteers donate? Write your answer as an expression.

Answer 1

The number of volunteers that donated can be expressed as 32-n. To determine the total amount of milliliters each person donated, we can multiply 32-n by 470.

470(32-n)

This can be simplified using the distributive property.

470(32)-470(n)

=15040-470n

Both of the expressions, 470(32-n) and 15040-470n, are correct, although, you can use the one you prefer.

Answer 2

(32-n)470

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