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8Â years, 7Â months ago
8Â years, 7Â months ago
See.. Suppose x rs contribution of mayank, y for mirza and z for little.
So x+y+z=60
Now conditions are provided like
X=y/2+z/2
Y=x/3+z/3
Z=x/4+z/4
Now solve these three equation to get a relation in x, y and z
Put these relation in first equation to get the value.
8Â years, 7Â months ago
Yes, it's 12 USD
Please can you explain how you got this answer?
8Â years, 7Â months ago
m + mi + l + j = 60
m = 1/2(mi + l + j) mi = 1/3(m + j + l) l = 1/4 (m + mi + j)
3m=60 => m = 20 4mi =60 => mi =15 5l = 60 => l= 12
Jaspal's contribution = 60 - (20 +15 + 12) = 13$
Answer will be $13 and not $12.