document.write( "Question 388064: 1.if a piece of wood is 5cm longer than a second piece and 3/4 of the second piece is equal to the 3/5 of the first what is the length of the second piece?\r
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document.write( "2.a man walked for some distance at 8km/h and for an equal distance at 5km/h.the total time he took was 13/4 hours.find the total distance he walked\r
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document.write( "3.a man cycled for some time at 16km/h and returned at 15 km/h. the total time was taken was 31/4 hours. find the total distance he cycled?\r
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document.write( "4.a cyclist goes from one village to another at 28 km/h. he returns at 24 km/h. if the return journey takes two hours longer than the outward outward journey.what is the distance between the villages ?\r
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document.write( "5.a boy has a certain number of sweets. if he eats 16 a day they will last him 2 days longer than if he eats 18 a day. how many sweets has ha ? \n" );
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Algebra.Com's Answer #275076 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 1.if a piece of wood is 5cm longer than a second piece and 3/4 of the second piece is equal to the 3/5 of the first what is the length of the second piece? \n" ); document.write( "... \n" ); document.write( "second piece = x cm \n" ); document.write( "first piece = x+5 cm \n" ); document.write( "... \n" ); document.write( " \n" ); document.write( "... \n" ); document.write( " \n" ); document.write( "... \n" ); document.write( "4(x+5)=5x \n" ); document.write( "4x+20=5x \n" ); document.write( "5x-4x=20 \n" ); document.write( " \n" ); document.write( "....\r \n" ); document.write( "\n" ); document.write( "2.a man walked for some distance at 8km/h and for an equal distance at 5km/h.the total time he took was 13/4 hours.find the total distance he walked \n" ); document.write( ".. \n" ); document.write( "let distance = x \n" ); document.write( " x/8 + x/5 = 13/4 \n" ); document.write( "LCD = 40 \n" ); document.write( "multiply equation by 40 \n" ); document.write( "5x+8x=130 \n" ); document.write( "13x=130 \n" ); document.write( "/13 \n" ); document.write( "x=10 km \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3.a man cycled for some time at 16km/h and returned at 15 km/h. the total time was taken was 31/4 hours. find the total distance he cycled? \n" ); document.write( ".. \n" ); document.write( "let distance be x km \n" ); document.write( "x/16+x/15 = 31/4 \n" ); document.write( "LCD = 960 \n" ); document.write( "multiply equation by 960 \n" ); document.write( "60x+64x=240*31 \n" ); document.write( "124x=7440 \n" ); document.write( "/124 \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "...\r \n" ); document.write( "\n" ); document.write( "4.a cyclist goes from one village to another at 28 km/h. he returns at 24 km/h. if the return journey takes two hours longer than the outward outward journey.what is the distance between the villages ? \n" ); document.write( ".. \n" ); document.write( "let distance be x km \n" ); document.write( "x/24-x/28 =2 \n" ); document.write( "LCD =1344 \n" ); document.write( "56x-48x=672 \n" ); document.write( "8x=672 \n" ); document.write( "/8 \n" ); document.write( "x= 84 km \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5.a boy has a certain number of sweets. if he eats 16 a day they will last him 2 days longer than if he eats 18 a day. how many sweets has ha ? \n" ); document.write( "sweets = x \n" ); document.write( "x/16-x/18 =2 \n" ); document.write( "LCD= 576 \n" ); document.write( "36x-32x=288 \n" ); document.write( "4x=288 \n" ); document.write( "/4 \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |