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nataly862011 [7]
3 years ago
6

You are at a festival and notice a lady is making winter wear by knitting. She sells five hats and three scarves for a total cos

t of $99 while three hats and five scarves cost $85. What is the cost of one hat and one scarf
Mathematics
1 answer:
expeople1 [14]3 years ago
3 0

Answer:

Cost of Hats = $15

Cost of Scarves = $8

Step-by-step explanation:

Let

Cost of Hats = x

Cost of Scarves = y

5x + 3y = 99 (1)

3x + 5y = 85 (2)

Multiply (1) by 5 and (2) by 3

25x + 15y = 495

9x + 15y = 255

Subtract

25x - 9x = 495 - 255

16x = 240

Divide both sides by 16

x = 240 / 16

= 15

x = $15

Substitute x = 15 into

5x + 3y = 99

5(15) + 3y = 99

75 + 3y = 99

3y = 99 - 75

3y = 24

y = 24/3

= 8

y = 8

Cost of Hats = $15

Cost of Scarves = $8

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Answer:

y = \frac{1}{4}x

Step-by-step explanation:

Straight line in the graph attached shows the linear relation between number of gallons of white paint and number of gallons of red paint added to prepare pink.

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Since a point (4, 1) lies on this line,

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Mrac [35]

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ANSWER: 219.375

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employed: 1,312,700 people

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