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»ýÈ° Q & A

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70.--.172.237 2010-1-6 (12:41:32)

5. What simple interest rate will Susan need to secure to make $2,500 in interest on a $10,000 principal over 5 years?

A. 4%

B. 5%

C. 6%

D. 7%

E. 8%


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3. Jim can fill a pool carrying buckets of water in 30 minutes. Sue
can do the same job in 45 minutes. Tony can do the same job in 1 ¨ö
hours. How quickly can all three fill the pool together?

A. 12 minutes

B. 15 minutes

C. 21 minutes

D. 23 minutes

E. 28 minutes


±×¸®°í ÀÌ ¹®Á¦´Â ¾Æ¿¹ ÁüÀÛµµ °¡Áö ¾Ê´Â´Ù´Â....-_-


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