It will take 30 minutes more for remaining grass.
As he mowed 40% in 20 minutes, it shows that he mows twice percentage of grass in the time calculated in minutes.
So it will take 30 minutes for remaining 60% grass.
Answer:
Step-by-step explanation:
3 * 4 = 12 - 6
12 = 6
This statement is false
The perimeter is 1/2 the perimeter of ABCD because the scale factor is 1/2. It would be 10 units.
Answer:
Step-by-step explanation:
d=4 miles=4×1760 yards=7040 yards=7040×3 ft
number of lights=21120 ft
number of lights=21120/145 +1≈145.7+1=146+1=147 lights