Particular 7338

Two workshops of a particular company produced 25 parts a day. To have 300 pieces, one worked for ten days and the other for 15 days. How many parts did each workshop make per day?

Correct answer:

a =  15
b =  10

Step-by-step explanation:


a+b=25
300 = 10a+15b

a+b=25
300 = 10·a+15·b

a+b = 25
10a+15b = 300

Pivot: Row 1 ↔ Row 2
10a+15b = 300
a+b = 25

Row 2 - 1/10 · Row 1 → Row 2
10a+15b = 300
-0.5b = -5


b = -5/-0.5 = 10
a = 300-15b/10 = 300-15 · 10/10 = 15

a = 15
b = 10

Our linear equations calculator calculates it.



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