Reward

Three workers have shared a common reward 13110 CZK follows: first worker got 35% less than the second and third worker got 20% more than the second worker. How much got each worker?

Correct result:

a =  2990
b =  4600
c =  5520

Solution:

a+b+c=13110
a=b-0.35b
c=b+0.20b

a+b+c=13110
a=b-0.35•b
c=b+0.20•b

a+b+c = 13110
a-0.65b = 0
1.2b-c = 0

a = 2990
b = 4600
c = 5520

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