# Math

Amanda uses the equation y=kx to determine how much money she earns after working any number of hours (x). Amanda earned \$350 after working 40 hours. What is the value of k in Amanda's equation?

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1. k = earnings per hour

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👩‍🏫
Ms. Sue
2. Is this correct?

40* 8.75= \$350

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3. Yes. But how did you find 8.75?

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Ms. Sue
4. 350÷40=8.75

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5. Yes. :-)

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👩‍🏫
Ms. Sue
6. Which way do I write it?

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7. y=kx

350 = 40k

350/40 = k

8.75 = k

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👩‍🏫
Ms. Sue

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