Answer:
I guess you are trying to find the perimeter of the parking lot.
the fomula is P= 2L+2W.
Step by step:
20yards( 2 ft )+ 30 yards +20 yards + 30 yards=
100 yards 2 ft.
I hope it's help.
Answer:
7 1/2 cups
Step-by-step explanation:
20 gallons is ten times 2 gallons.
Ten times the amount of water will require ten times the disinfectant (we assume).
... 10 × 3/4 cup = 30/4 cups = 7 1/2 cups
27 inches squared to be exact