Construction of road

For the construction of the road dam, it is supposed to transport six trucks for 18 days. After three days, the transport company sent two more cars to the construction site. How long will it take to carry the material?

Correct answer:

t =  14.25 d

Step-by-step explanation:


6·18 = 3·6+(t-3)·(6+2)

8t = 114


t = 114/8 = 14.25

t = 57/4 = 14.25

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