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Rufina [12.5K]
4 years ago
7

Marla uses two copiers to make copies of a one-page newsletter. *Copier R makes 60 copies per minute. *Copier T makes 40 copies

per minute. Marla will use both copiers to make a total of 1200 copies of the newsletter. Both copiers will start and end at the same time. How many minutes will it take to make 1200 copies?
Mathematics
1 answer:
Sindrei [870]4 years ago
6 0

Answer:

12 minutes.

Step-by-step explanation:

Marla uses two copiers to make copies of a one-page newsletter. *Copier R makes 60 copies per minute. *Copier T makes 40 copies per minute.

Since both copier start at the same time, let the number of minutes used by both copiers be represented by x

60 × x + 40 × x = 1200 copies

60x + 40x = 1200

100x = 1200

x = 1200/100

x = 12 minutes

Therefore, it will take 12 minutes l to make 1200 copies.

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Step-by-step explanation:

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6 0
4 years ago
Find the difference between -14w - 3 and 5w.
kirza4 [7]
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or if what youre saying is
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8 0
3 years ago
Read 2 more answers
The sum of 45% of a number and 55% of the same number is 200. what is the number?
Ymorist [56]

.45x+.55x=200
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8 0
3 years ago
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Oduvanchick [21]

Answer:

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Step-by-step explanation:

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