Two workers

Two workers make 138 parts/items. The first one produces 30% more than the second. How many items will each produce?

Correct result:

a =  78
b =  60

Solution:


a+b=138
a = b + 30/100b

a+b=138
a = b + 30/100•b

a+b = 138
100a-130b = 0

a = 78
b = 60

Our linear equations calculator calculates it.



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