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Anna71 [15]
3 years ago
13

A copy machine makes 24 copies per minute. How long does it take to make 138 copies?

Mathematics
2 answers:
insens350 [35]3 years ago
8 0
X=minutes passed
y=number of papers

24x=y
24x=138

138/24=5.75
x=5.75

it will take 5.75 minutes to print 138 copies
melisa1 [442]3 years ago
4 0
6 minutes and 15 seconds
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6 0
4 years ago
Read 2 more answers
775 tickets were sold for a game for a total of 1,187.50. If adults tickets sold for 2.50 and children's tickets sold for 1.00 h
Ivanshal [37]

Answer: 275 adult tickets and 500 children's tickets were sold.

Step-by-step explanation:

Let x represent the number of adult tickets that were sold.

Let y represent the number of children's tickets that were sold.

775 tickets were sold for the game. It means that

x + y = 775

If adults tickets sold for 2.50 and children's tickets sold for 1.00 and all the tickets were sold for a total of 1,187.50, it means that

2.5x + y = 1187.5

Substituting x = 775 - y into equation 1, it becomes

2.5(775 - y) + y = 1187.5

1937.5 - 2.5y + y = 1187.5

- 2.5y + y = 1187.5 - 1937.5

- 1.5y = - 750

y = - 750/ - 1.5

y = 500

x = 775 - y = 775 - 500

x = 275

6 0
3 years ago
In a recent survey of 974 voters, 724 indicated that they were in favor of a new city park, while the other 250 voters said that
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10, 267

the fraction of voters opposed from the survey = \frac{250}{974}

Assuming this fraction as a basis then the predicted number against will be

40, 000 × \frac{250}{974} = 10, 267 ( nearest while number )


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red and green

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7 0
2 years ago
The sum of 16x and 5x is equal to 84
Vsevolod [243]

Answer:

16x+5x = 84

21x = 84

x = 4

6 0
3 years ago
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