Sagot :
Answer:
1. A trencher digs 9m in 3 hours.how long will it take dig 30m?
How long will it take dig 30m
- so that means it ask how hours it take in 30 m
the 30 will divide by 3
so that 10 hours is the answer
Step-by-step explanation:
N = A ÷ B
= 30 ÷ 3
= 10 hours is the long need to dig a 30 m long
hope it help
brainliest please