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katen-ka-za [31]
3 years ago
9

Jeremy earns $234 for 36 hours of work. Miguel earns $288 for 40 hours of work . Are the pay rates of these two people proportio

nal?
Mathematics
1 answer:
dem82 [27]3 years ago
8 0
The pay rates of these two people are not proportional because if you divide 234 by 36 and 288 by 40, it is shown that Miguel earns $7.20 every hour and Jeremy earns $6.50 per hour. Thus, the pay rates of these two people are not proportional.
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Step-by-step explanation:

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  distance = speed × time

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The other applicable relationship is that the resultant speed in a body of water is the sum of the boat speed and the water speed. When they are in the same direction, the speeds add; when they are in the opposite direction, the net speed is their difference.

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1B, C. Since Tom is traveling upstream, his net speed is the difference between his paddling speed (8 mph) and the current (3 mph). That is, he makes headway upstream at the rate of 8-3=5 mph. This difference is the "speed" in the formula.

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We can "let 'distance' represent the distance we're being asked to find in the problem statement."

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1D. Using the formula, we find ...

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<em>Additional comment</em>

You may see the above formula written a number of ways. Using single-letter variables, it is often written as ...

  d = rt

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