A and B working together can do 30% of the work in 6 days.B alone can do the same work in 25 days. How long will A take to complete the same work ?
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According to the question:
According to the question:25A=1
According to the question:25A=130B=1
According to the question:25A=130B=1So, together:
According to the question:25A=130B=1So, together:150A=6
According to the question:25A=130B=1So, together:150A=6150B=5
According to the question:25A=130B=1So, together:150A=6150B=5150A+150B=11
According to the question:25A=130B=1So, together:150A=6150B=5150A+150B=11150/11 A + 150/11 B=1
According to the question:25A=130B=1So, together:150A=6150B=5150A+150B=11150/11 A + 150/11 B=1After 5 days, A and B have done:
According to the question:25A=130B=1So, together:150A=6150B=5150A+150B=11150/11 A + 150/11 B=1After 5 days, A and B have done:5 x 11/150=55/150 of the work, leaving 95/150 to be done. Then:
According to the question:25A=130B=1So, together:150A=6150B=5150A+150B=11150/11 A + 150/11 B=1After 5 days, A and B have done:5 x 11/150=55/150 of the work, leaving 95/150 to be done. Then:95/150 / 1/30=95 x 30/150
According to the question:25A=130B=1So, together:150A=6150B=5150A+150B=11150/11 A + 150/11 B=1After 5 days, A and B have done:5 x 11/150=55/150 of the work, leaving 95/150 to be done. Then:95/150 / 1/30=95 x 30/150=19 more days until B finishes the work, alone
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