Answer:
30%
Step-by-step explanation:
It would take 2 hours. To complete the whole lawn you would need:

To make a whole, so to get that we multiply:

So we use the same number required for the whole lawn, and multiply it times the hours
Answer:
A=5
B=1
C=15
D=3
Step-by-step explanation:you just do the calculations
B, though you can look at the other numbers and find out a working proportion that's a multiple of 10.
Step-by-step explanation:
It depends on the number that six is being multiplied by