单项选择题

The decorating committee for a dance plans to fringe the 3-inch—wide end of a streamer by making small cuts every（）
inch．How many cuts must be made to fringe the end

A. 45
B. 46
C. 47
D. 48
F. 49

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单项选择题

A consumer insulates a house with material bought at 20 percent off the list price of$370．If the consumer also receives are bate of $25 from the manufacturer of the material，how much does the material cost the consumer（）

A. $238
B. $240
C. $263
D. $271
E. $325

单项选择题

Working alone，a small pump takes twice as long as a large pump takes to fill an empty tank．Working together at their respective constant rates，the pumps can fill the tank in 6 hours．How many hours would it take the small pump to fill the tank working alone（）

A. 8
B. 9
C. 12
D. 15
E. 18

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