Question 931424
If 3 bulldozers can load 5 trucks full of earth in 30 minutes,
Find how many bulldozer minutes per truck
3 * 30 = 5
90/5 = 18 bulldozer minutes per truck
:
then how long should it take 5 bulldozers to load 7 trucks full of earth?
let m = no. minutes to accomplish this
5m = 7*18
5m = 126
m = 126/5
m = 25.2 minutes for 5 dozers to load 7 trucks