Monday, June 25, 2012

Surfing For How Many Liters Of A 30 Alcohol Solution?

William asks…Can someone help me with 2 math word problems please(algebra 2)?I've tried to get the right answer for these two problems but my teacher tells me that she won't count it right until i get the right answers can someone help me, please?


1. A cruise boat travels 48 miles downstream in 2 hours and returns upstream in 12 hours. Find the rate of the stream.

2.How many liters of a 30% alcohol solution must be mixed with 90 liters of a 60% solution to get a 40% soultion?Set up a

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