Efficient 43461

Four workers were supposed to build 200m of the fence in 15 days. However, after 3 days, two more workers came to their aid. All workers were equally efficient. Calculate how many meters of the fence (from the original 200m) remained after the first 3 days.

Correct answer:

x =  160 m

Step-by-step explanation:

x=200200 153=160 m

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