A,B and C together earn rs. 1500 in 10 days . A and C together earn rs. 800 in 8 days, B and C earn Rs. 900 in 9 days . Find their daily earnings
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A,B AND C ONE DAY EARNING IS 150 FIRST EQUATION
A AND C ONE DAY EARNING 100 SECOND EQUATION
B AND C ONE DAY EARNING 100 THIRD EQUATION
FIRST - SECOND GIVES B=50
SUBSTITUTING B=50 IN THIRD WE GET C=50
SUBSTITUTING B AND C WE GET A=50
Answered by
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DAILY EARNINGS:
A = 50
B = 50
C = 50
1 DAY EARNINGS = A + B + C = 150 (1500/10)
1 DAY EARNINGS = A + C = 100 (800/8)
1 DAY EARNINGS = B+ C = 100 (900/9)
A + 100 = 150
A = 50
100 + B =150
B = 50
50 + C = 100
C = 50
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