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Klio2033 [76]
3 years ago
15

Kini and Duke are each working during the summer to earn money in addition to their weekly allowance, and they are saving all of

their money. Kini earns $9 an hour at her job, and her allowance is $8 per week. Duke earns $7.50 an hour, and his allowance is $17 per week. How many hours do Kini and Duke need to work in order to save the same amount of money in one week?
Mathematics
1 answer:
Tatiana [17]3 years ago
7 0

Answer:

Step-by-step explanation:

9x + 8 = 7.5x + 17

1.5x = 9

x = 6 hours

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Answer:

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Step-by-step explanation:

The diagram is divided ninto 5 parts that is rectangles ABCD, CHGD, GFEH and  triangles CIH and DGJ.

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Area rectangle CDHG=  l{\times}b

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Area rectangle HGFE= l{\times}b

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Area of triangles CIH and DIG= 2{\times}\frac{1}{2}{\times}b{\times}h

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Surface area of the triangular prism=Area of rectangle ABCD+Area rectangle CDHG+Area rectangle HGFE+Area of triangles CIH and DIG

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