dolphinkina35

07.12.2020 • 

Mathematics

Which of the following explains why a single-stream recycling program is generally more expensive than a dual-stream program? A.Single-stream materials recovery facilities require too much manpower to staff.

B.Single-stream materials recovery facilities require equipment that is too expensive.

C.Dual-stream recycling is more popular, and more residents are willing to participate.

D.Dual-stream materials recovery facilities are more expensive to operate.

Ответ:

DogeDog6954

27.03.2021

Mathematics

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You have to find a common denominator for both fractions. I chose the denominator to be 10, so the 1/2 will become 5/10, and 1/5 will become 2/10.

Subtract 5/10 from 2/10. You will get -3/10.

-3/10

You can check your answer by solving 1/2-3/10=1/5 to see if it is true. (It is:)

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