document.write( "Question 485263: PLEASE HELP I AM SO LOST! :(\r
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document.write( "In 2004 Major League Baseball, Barry Bonds, playing for the San Francisco Giants of the National League, collected 44 hits in 117 at-bats in his first 49 games.\r
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document.write( "1. The ratio of number of hits to number of at-bats, rounded to the nearest thousandth, is a player’s batting average. What was Bond’s batting average in his first 49 games?\r
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document.write( "Answer Box (Type your work and answer below)
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document.write( "Set the ratio hits to at-bats and convert to a decimal.\r
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document.write( "2. Based on the ratio of number of hits to number of games, how many hits would he get in a 162-game season?\r
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document.write( "Answer Box (Type your work and answer below)
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document.write( "Set a proportion and solve for the unknown.\r
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document.write( "3. Based on the ration of number of hits to number of at-bats and assuming he bats 400 times in 2004, how many hits would he get?\r
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document.write( "Answer Box (Type your work and answer below)
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document.write( "Set a proportion and solve for the unknown.\r
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document.write( "By checking work records, a plumber finds that Raul can plumb a house in 48 hr. Mira can do the same job in 36 hr.\r
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document.write( "4. Write a rational equation that represents the real-life scenario described above.\r
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document.write( "Answer Box (Type your work and answer below)
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document.write( "See section 6.8 of this week’s course reading.\r
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document.write( "5. How long would it take Raul and Mira if they would have worked together to complete the same job? \r
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document.write( "Answer Box (Type your work and answer below)
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document.write( "Use the equation you set in problem 4 and solve it.
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Algebra.Com's Answer #331981 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Hey, this isn't so hard, just follow closely what we are doing here \n" ); document.write( ": \n" ); document.write( "In 2004 Major League Baseball, Barry Bonds, playing for the San Francisco Giants of the National League, collected 44 hits in 117 at-bats in his first 49 games. \n" ); document.write( "1. The ratio of number of hits to number of at-bats, rounded to the nearest thousandth, is a player’s batting average. What was Bond’s batting average in his first 49 games? \n" ); document.write( "Answer Box (Type your work and answer below) \n" ); document.write( "Set the ratio hits to at-bats and convert to a decimal. \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "2. Based on the ratio of number of hits to number of games, how many hits would he get in a 162-game season? \n" ); document.write( "Answer Box (Type your work and answer below) \n" ); document.write( "Set a proportion and solve for the unknown. \n" ); document.write( ": \n" ); document.write( "Let h = no. of hits \n" ); document.write( " \n" ); document.write( "cross multiply \n" ); document.write( "49h = 162*44 \n" ); document.write( "49h = 7128 \n" ); document.write( "h = \n" ); document.write( "h ~ 145 hits in 162 games \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "3. Based on the ration of number of hits to number of at-bats and assuming he bats 400 times in 2004, how many hits would he get? \n" ); document.write( "Answer Box (Type your work and answer below) \n" ); document.write( "Set a proportion and solve for the unknown. \n" ); document.write( ": \n" ); document.write( "Let h = no. of hits \n" ); document.write( " \n" ); document.write( "Cross multiply \n" ); document.write( "117h = 400 * 44 \n" ); document.write( "117h = 17600 \n" ); document.write( "h = \n" ); document.write( "h ~ 150 hits in 400 at-bats \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "By checking work records, a plumber finds that Raul can plumb a house in 48 hr. Mira can do the same job in 36 hr. \n" ); document.write( "4. Write a rational equation that represents the real-life scenario described above. \n" ); document.write( "Answer Box (Type your work and answer below) \n" ); document.write( "See section 6.8 of this week’s course reading. \n" ); document.write( ": \n" ); document.write( "Let t = time required when they work together \n" ); document.write( "let the completed job = 1 \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "5. How long would it take Raul and Mira if they would have worked together to complete the same job? \n" ); document.write( "Answer Box (Type your work and answer below) \n" ); document.write( "Use the equation you set in problem 4 and solve it. \n" ); document.write( " \n" ); document.write( "Multiply by 144 to clear the denominators \n" ); document.write( "144* \n" ); document.write( "cancel out the denominators and you have \n" ); document.write( "3t + 4t = 144 \n" ); document.write( "7t = 144 \n" ); document.write( "t = \n" ); document.write( "t ~ 20.6 hrs working together \n" ); document.write( " |