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Dellin
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If Jim earns x dollars per hour, it will take him 4 hours to 26 Jan 2008, 14:06
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If Jim earns x dollars per hour, it will take him 4 hours to earn exactly enough money to purchase a particular jacket. If Tom earns y dollars per hour, it will take him exactly 5 hours to earn enough money to purchase the same jacket. How much does the jacket cost?

(1) Tom makes 20% less per hour than Jim does.

(2) x + y = $43.75



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If Jim earns x dollars per hour, it will take him 4 hours to 26 Jan 2008, 14:35
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Dellin
If Jim earns x dollars per hour, it will take him 4 hours to earn exactly enough money to purchase a particular jacket. If Tom earns y dollars per hour, it will take him exactly 5 hours to earn enough money to purchase the same jacket. How much does the jacket cost?

(1) Tom makes 20% less per hour than Jim does.

(2) x + y = $43.75
Show more

B

We know that
J earns x $/ hour, and the jacket costs 4x
T earns y$/hour, and the jacket costs 5y.

So 4x=5y

1) INSUF. We knew this information from the data before, because y= 4x/5 =0.8x
We can not calculate the cost of the jacket

2) SUF. We have know another equation, so 2 var. with 2 equations.



Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!