Question

Sara works 40 hours per week and earns $660. Which graph shows the unit rate for this situation? A) A B) B C) C D) D

Answer 1

The fourth graph shows the earning per hour for this equation as working 40 hours and making $660 means she's making $16.5 an hour

Answer 2

The graph that shows the unit rate for the given situation is; D; Graph D

We are given;

Number of hours Sara worked a week; x = 40 hours

Amount Sara earned a week; y = $660

Now, this means that the rate of amount earned per hour is; 660/40 = $16.5 per hour

Now, the graph that will be correct must have it's, change in y to change in x ratio as 16.5.

The only graph that has a slope which is change y to change in x ratio as 16.5 is graph D because we see that the ratio is approximately $16.5 per 1 hour.

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