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2 years ago

9

for each babysitting job, Ashley charges 2.50 dollars for bus fare plus 8 dollars per hour for each hour she works. She charged

30.50 dollars for her last babysitting job. how many hours did she babysit for that job

1 answer:

Lunna [17]2 years ago

6 0

Multiply 2.50 times 8 then divide your answer by 30.50

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It can be deduced that the price of the trick cameras will be $5 and the price of the snakes will be $6.25.

Based on the information given, the equation to solve the question will be:

3x + 4y = 40 ...... i

7x + 8y = 85 ...... ii

Multiply equation i by 7

Multiply equation ii by 3

21x + 28y = 280

21x + 24y = 255

Subtract the equations

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Since 3x + 4y = 40

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3x = 40 - 25.

3x = 15

x = 15/3 = 5

Therefore, the price of the trick cameras will be $5 and the price of the snakes will be $6.25.

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