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Tom [10]
3 years ago
13

Today, everything at a store is on sale. The store offers a 20% discount.

Mathematics
1 answer:
Makovka662 [10]3 years ago
6 0
21.6 18 * 1.20 = 21.6
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The admission at the movies is $5 for children and $10 for adults. The total amount collected was
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Answer:

Number of children, x= 400

Number of adults, y = 100

Step-by-step explanation:

Let the number of children be x

Let the number of  adults be y

Given : Total number of people,  x + y = 500  --------(1)

           Total amount collected, 5x + 10y = 3000  ---------(2)

(1) => y = 500 - x

Substitute y in (2) : 5x + 10(500 - x) = 3000

                             5x + 5000 - 10x = 3000

                                -5x = 3000 - 5000

                                 -5x = -2000

                                    x = 400

Substitute x in (1) : 400 + y = 500

                                      y = 500 - 400

                                      y = 100

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Answer:0,4

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