How many days will it take to transport 1 / 4 of the coal every day? How many days will it take to transport 2 / 7 of the coal every day

How many days will it take to transport 1 / 4 of the coal every day? How many days will it take to transport 2 / 7 of the coal every day

1. 1 / 4 = 4 days
2. 1 △ 2 / 7 = 3.5 days

How long is a truck about

9.6m

The tunnel is 324 meters long. A car travels 18 meters per second. The length of the car is 18 meters. How many meters does it take for the car to pass through

(324 + 18) / 18 = 342 / 18 = 19 seconds

How long does it take for a car to go from city a to city B
From city a to city B, the original plan was to drive 45 kilometers per hour, but actually it took 40 kilometers per hour, which took one hour less than the original plan. How long does it take to get from city a to city B?
From city a to city B, the original plan was to drive 40 kilometers per hour, but actually it took 45 kilometers per hour, which took one hour less than the original plan. How long does it take to get from city a to city B?

It takes x time from city a to city B
According to the meaning of the title:
s=vt
The total distance is s = 40t
When 45km / h, the time is
t=40t/45
Because it took an extra hour, so
t-40t/45=1
Solution
T = 9 hours