As you see this is the mold which causes severe health problems infact one of the most dangerous mold is that Toxic black mold which cause respiratory, nasuea and other problems like skin etc. Also it causes cancer as well.
40 km = 24.8548 mi. There are 1.609344 kilometres in a mile. Therefore, rounded to two decimal places, 40 kilometres is equal to 40/1.609344 = 24.85 miles.
The time it takes to travel 400 miles depends on the average speed. If the average speed is 50 miles per hour, you will travel 50 miles in the first hour, 50 more in the nex â¦ t, 50 more in the next and so on. The number of hours it will take is equal to the number of 50 mile stretches in 400 miles.That's 400 divided by 50, which is 8. It will take 8 hours to travel 400 miles at an average speed of 50 miles per hour. In general, if your average speed is s, then it will take 400 divided by s, or 400/s hours.he speed depends on your height and how fast you walk. At a brisk pace you should be able to walk 7 miles in approximately 1 hour and 45 minutes, which breaks down to 15 minu â¦ tes per mile or 4 miles per hour.