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leonid [27]
3 years ago
7

On a certain hot​ summer's day, 195 people used the public swimming pool. The daily prices are $1.75 for children and $2.25 for

adults. The receipts for admission totaled $383.75. How many children and how many adults swam at the public pool that​ day?
Mathematics
1 answer:
Marina CMI [18]3 years ago
8 0

Answer:

3x-x+2=4

Step-by-step explanation:

Children = x

Adults = y

x + y = 754...1

1.50x + 2.25y = 1422...2

Multiply (1) by 2.25

2.25x + 2.25y = 1696.50...3

1.50x + 2.25y = 1422...2

Subtract (2) from (3)

0.75x = 274.50

x = 366

Substitute x = 366 in (1)

x + y = 754

366 + y = 754

y = 388

366 children and 388 adults swam at the pool.

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4. Three consecutive even integers are such that the sum of the smallest and 3 times the
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Answer:

Integers are:

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Step-by-step explanation:

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x + 3(x + 2) = 30+ 2(x + 4)

By simplifying:

x + 3x + 6 = 30 + 2x + 4

By adding like terms

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Dividing both sides with 2

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So the consecutive integers will be:

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I hope it will help you!

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3 years ago
5+(-13) + 100 PLZ HELLP
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Answer:

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