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EnderTM
You use longitudinal design and functionality. The answer is B
Setor9
So here is the equation
y=8x+4
Now let's find the number of hours he will work to earn $36
y=8x+4
36=8x+4
-4 -4
32=8x
32/8=8/8x
4=x
Therefore it will take Sidney 4 hours to mow the lawn.
That is, your answer is B. 4 hours

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