Answer:
his grandfathers house is 5.5 miles away
Explanation:
2 centimeters = 1 mile
1 centimeter = 1/2 mile
distance to grandfathers house is 11 centimeters
11/2= 5.5
his grandfathers house is 5.5 miles away.
2cm = 1 mile
3cm = 1.5 miles
4cm = 2 miles
5cm = 2.5 miles
6cm = 3 miles
7cm = 3.5mile
8cm = 4 miles
9cm = 4.5 miles
10cm = 5 miles
11cm = 5.5miles