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3 years ago

At the theater, tickets for adults cost $4.75

1 answer:

7 0

X+y= 26 and 4.75x + 2.25y= 83.50

y=26-x( substitute this into second equation for y and solve for x)

4.75x + 2.25(26-x)= 83.50

4.75x + 58.5-2.25x= 83.50

x= 10

Now solve for y by substituting your answer for x

10+ y= 26

y=16

Therefore, 16 tickets were purchased for kids and 10 for adults.

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Answer:

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Step-by-step explanation:

Let :

cost of 1 kg banana = x
cost of 1 kg apple = y

Equations formed :

4x + 3y = 7.50 [Equation 1]
3x + 5y = 8.10 [Equation 2]

Multiply Equation 1 by 5 and Equation 2 by 3 :

20x + 15y = 37.50
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Subtract the newly formed equations :

11x = 13.20
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Finding y :

4(1.20) + 3y = 7.50
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y = 0.90

Then :

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Cost of 2 kg bananas and 2 kg of apples :

2(1.20) + 2(0.90)
2(2.10)
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