Question

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Felix worked at a music shop during the summer. The table below shows some of Felix’s hours and earnings. The amount of money he earned is proportional to the number of hours he worked.


2. Let x represent the number of hours he worked, y represents the amount of money he earned.Write an equation that represents this relationship.



3. If Felix worked 180 hours, then how much money did he earn?

Answer 1

2. y=9x

3. 180*9 = 1620

Explanation:

2. y = mx+b, so find the slop efirst

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so take the first two points you got

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(2,18) and (5,45),

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(45-18)/(5-2) = 9

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then use (2,18)

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18= 9*2+b

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so b=0

3. y = 9x

x= 180. y = 9*180 = 1620