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ludmilkaskok [199]

3 years ago

11

A sixth- grade math teacher can grade 25 homework assignments in 20 minutes. Is he working at a faster rate or slower rate than

grading 36 homework assignments in 30 minutes?
( comparing rates)

1 answer:

Akimi4 [234]3 years ago

5 0

Answer:

faster

Step-by-step explanation:

25 in 20 minutes is 25/20 = 1.25 per minute

36 in 30 minutes is 36/30 = 1.20 per minute

The first rate is faster.

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rosijanka [135]

Answer:

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Step-by-step explanation:

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2 years ago

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Masja [62]

Answer:

The sum of x and y is 8.

Step-by-step explanation:

x+2y=10

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------------

2x = 12, so x = 6. Substituting 6 for x in the 2nd equation, we get:

6 - 2y = 2, or

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