1) If a discount of 20% off the retail price of a desksaves Mark $45, how much...
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Question:
A. $145
B. $160
C. $180
D. $210
E. $215
B. $160
C. $180
D. $210
E. $215
2)
Jim can fill a pool carrying buckets of water in 30 minutes. Suecan do the same job in 45 minutes. Tony can do the same job in 1½ hours. How quickly can all three fill the pooltogether?
A. 12 minutes
B. 15 minutes
C. 21 minutes
D. 23 minutes
E. 28 minutes
B. 15 minutes
C. 21 minutes
D. 23 minutes
E. 28 minutes
I would very much appreciate the steps and yourexplanation.
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