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Which situation CANNOT be represented by this equation? 6x−7=29

A)Joel earns $7 per hour to mow his aunt’s lawn. If he spends $6 on gas, how many hours, x, will he need to mow to have $29 left?


BJoel mows his aunt's lawn for $6 per hour. If he spends $7 on gas, how many hours, x, will he need to spend mowing the lawn to have $29 left?


C)Joel takes 6 hours to mow his aunt’s lawn. If he spends $7 on gas, how much does he get paid per hour, x, to mow the lawn and still have $29 left?

User Stypox
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1 Answer

6 votes

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Answer:

A

Explanation:

The unit rate in scenario A is 7, not 6, so it is inappropriate to use the equation 6x -7 = 29 for that scenario.

Situation A cannot be properly represented by the given equation.

User JohanP
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