A and B earn 320 in 4 days. B and C earn
450 in 10 days. A, B and C earn * 600 in
5 days. Find the daily earning of B.
(a) *15
(b) 5
(c) & 25
(d) * 40
Answers
Answered by
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Daily earning of B = 5 Rs
Step-by-step explanation:
Daily earning of B = B Rs
A and B earn 320 in 4 days
=> Daily earning of A = (320 - 4B)/4
=> Daily earning of A = 80 - B Rs
B and C earn 450 in 10 days
=> Daily earning of C = (450 - 10B)/10
=> Daily earning of C = 45 - B Rs
A, B and C earn * 600 in 5 days.
=> A , B & C earn in 1 day = 600/5 = 120 Rs
80 - B + B + 45 - B = 120
=> -B = - 5
=> B = 5
Daily earning of B = 5 Rs
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