Components 15751

Two workers produce 138 parts in one shift. At the same time, the first of them produces 30% more than the second. How many components will each have?
I need a notation and an equation. Thank you.

Correct answer:

a =  78
b =  60

Step-by-step explanation:


a+b=138
a = b + 0.30b

a+b=138
a = b + 0.30·b

a+b = 138
a-1.3b = 0

Row 2 - Row 1 → Row 2
a+b = 138
-2.3b = -138


b = -138/-2.3 = 60
a = 138-b = 138-60 = 78

a = 78
b = 60

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