Question

8. Eight workers can load 4320 bricks on to a truck in
1 hour. If the bricks are to be loaded on the truck in
only 40 minutes, how many workers will be needed?​

Answer 1

Step-by-step explanation:

60 x 8a = 4320

a = 9

9b x 40 = 4320

b = 12

so 12 workers are needed to complete the work in 40 minutes