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3 years ago

Can someone please help me you have to explain your answer plzzz help ?!?!?!?!?!

Mathematics

1 answer:

igor_vitrenko [27]3 years ago

6 0

Answer:

<h3>Question 1</h3>

Let number of adult tickets - x, student tickets - y

<u>Required equations:</u>

x + y = 8
7.25x + 5.50y = 52.75

<u>Solve by substitution x = 8 - y</u>

7.25(8 - y) + 5.50y = 52.75
58 - 7.25y + 5.50y = 52.75
1.75y = 5.25
y = 5.25/1.75
y = 3

x = 8 - 3 = 5

Answer: 5 adults and 3 students

<h3>Question 2</h3>

Pair of gloves costs- x, hats cost- y

<u>Equations:</u>

2x + 4y = 43
2x + 2y = 30

<u>Solve by elimination, subtract the equations:</u>

2y = 43 - 30
2y = 13
y = 6.5

2x = 30 - 13
2x = 17
x = 8.5

Answer: Gloves cost $8.5, hats cost $6.5

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