SOLUTION: The advantage weekly allowance A of a child varies directly as their grade level G. If the average allowance of an 8th grade student is $8.56 per week, what is the average weekly a

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Question 860919: The advantage weekly allowance A of a child varies directly as their grade level G. If the average allowance of an 8th grade student is $8.56 per week, what is the average weekly allowance of a 5th grader?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
"weekly allowance A of a child varies directly as their grade level G"; this means, A=kG.

" the average allowance of an 8th grade student is $8.56 per week", means 8.56=k%2A8
k=8.56%2F8
k=1.07.

Now you have a formula for A, and you know the proportionality constant, k.