Step-by-step explanation:
Here is the work in the middle there would be 2 because the have neither brother or sister
Answer:

Step-by-step explanation:
Start with:

Add
to both sides of the equation:

Divide by the coefficient of
, which is
:

Answer:
1.25 lawns/hour
Step-by-step explanation:
Area = l*w
Area of living room rug = 12(1/2)*10(3/4) = 134.375
Total area - covered areas = areas seen
Total area - couch area - entertainment area = areas seen
134.375 - 12(1/2) - 6 = 115.875
The areas of the rug seen is thus 115.875 square feet. (sq. ft)