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:
1231.5
Step-by-step explanation:
I hope this help.
Answer:
the second option and x=20
(i) Angle AOC would equal 48°, as it is vertically opposite to angle DOB and they are therefore equal.
(ii) Angle DOE would equal 42°. We can see this because angles on a straight line add up to 180°, and 90 + 48 = 138, so we can do 180 - 138 = 42°.
I hope this helps!
Expanded form is just each place value split into addition.
so 1,852 is
1000 + 800 + 50 + 2
that's all