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2 years ago

10) Bill found a pair of running shoes for $57. The regular price was $68.99. He also found a sweat suit that was

Mathematics

1 answer:

Musya8 [376]2 years ago

4 0

Answer:

$21.44 or answer D

Step-by-step explanation:

68.99-57=11.99

37.80 x 25/100=9.45

9.45+11.99=21.44

hope this helps you

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Robin can bake 140 cupcakes in 5 hours.

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28 x 5 = 140

140 divided by 28 = 5.

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3 years ago

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3 years ago

Write a fraction as a mixed number 20/10

Anna11 [10]

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3 years ago

Regal theater in Tikahtnu sold 548 tickets to Moana on Sunday. A adult’s ticket was $6.50 while a child’s ticket was $3.50. In t

irga5000 [103]

Regal theater sold 321 adult tickets and 227 children tickets.

Step-by-step explanation:

Given,

Cost of each adult ticket = $6.50

Cost of each child's ticket = $3.50

Total tickets sold = 548

Total worth of sold tickets = $2881

Let,

x represent the number of adult tickets sold

y represent the number of child tickets sold

According to given statement;

x+y=548 Eqn 1

6.50x+3.50y=2881 Eqn 2

Multiplying Eqn 1 by 6.50

$6.50(x+y=548)\\6.50x+6.50y=3562\ \ \ Eqn\ 3$

Subtracting Eqn 2 from Eqn 3

$(6.50x+6.50y)-(6.50x-3.50y)=3562-2881\\6.50x+6.50y-6.50x-3.50y=681\\3y=681$

Dividing both sides by 3

$\frac{3y}{3}=\frac{681}{3}\\y=227$

Putting y=227 in Eqn 1

$x+227=548\\x=548-227\\x=321$

Regal theater sold 321 adult tickets and 227 children tickets.

Keywords: linear equation, elimination method

Learn more about elimination method at:

#LearnwithBrainly

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