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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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Henri bought a swim suit at a cost of $8. Which statements are true regarding the cost of the suit? Check all that apply.
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3 years ago
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4 0
3 years ago
becky visited the great pyramid of Giza she learned that the pyramid was originally 481 feet tall and it’s square base has size
qaws [65]

Answer:

90428160.3 ft³

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The question is on volume of a pyramid with a square base

The formulae for volume of a pyramid is V=( l×w×h)/3

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7 0
3 years ago
There are a total of 84 students in the robotics club and the science club. The science club has 12 more students than the robot
Dafna11 [192]

Answer:

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s = students in science club

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Combine like terms

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There are 48 students in the science club

4 0
3 years ago
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