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Sept8_ex12-14_key - MTH 1825 sec 006 Wed Sept 8)2010...

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Unformatted text preview: MTH 1825 sec. 006 Wed. Sept. 8,)2010 Example 12) How many gallons ofa 6% bleach solution need to be added to 15 gallons of a 10% bleach solution to produce a 7.5% solution? . 1, 493m?“ :. fall? K i” i mag? dealt-5t“ ' Example 13) Jim drives from Detroit to Chicago in 5 hours, while his mother takes 6 hours to make the same trip. Jim’s average speed is 8 miles per hour faster than his mother's average speed. What is the average speed of each driver? a: Q :3». 2/0., __ Z fire/.4 Example 14) Two cars are 450 kilometers apart and travel towards one another on the same road. They meet in 3 hours. One car travels 2 kilometers per hour slower than the other. What is the average speed ofeach car? Xi \ Mr" W N a Mao!" a; w a go». 4;.“ "‘3 4V 1 95’ i i i i ‘, . ’“ u i "g X i a: g g )7} Page 50f5 i ...
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