Answer :
A construction crew has just built a new road.
They worked for 3 weeks.
Total duration of work = 3 weeks
They built the road at a rate of 7.68 kilometers per week
In one week they built 7.68 Km
To find the total Kilometers of road build in 3 week, multiply the total number of week by the kilometers of road done in one week
Total kilometer of road in 3 week = 3 x 7.68 Km
Total Kilometer of road in 3 week = 23.04Km
They made 23.04Km of road.
Answer : They made 23.04Km of road.