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

t =  14.25 d

### Step-by-step explanation:

6•18 = 3•6+(t-3)•(6+2)

8t = 114

t = 57/4 = 14.25

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