Answer: If you want me to add the fractions it is 7/2 or 3.5
Answer:
2(5a+17)+2(4a)=10a+34+8a=18a+34the area of the garden
-3h=18-27h
24h=18
H=3/4 or 0.75
It will take three men seven hours and thirty minutes to repair the road. Hope it helps, God bless