Engineering 54971

Two engineering companies have the same production program. The first company would fulfill their orders in 20 days. The second company in 16 days. How long will the companies fulfill the order if the first company starts working 2 days earlier?

Correct answer:

x =  8 d

Step-by-step explanation:

2/20+x/20+x/16=1  9x=72  x=972=8  x=8=8 d

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