need help with math

Question

A certain

map

shows two

roads.

Road

A is

1 1/5

miles

long but is

1 1/2 inches

long on the

map.

What is the unit rate for

inches

per

mile

on this

map​?

If

road

B is

4 miles

​long, how long is

road

B on the

map​

Answer 1

1 1/2 inches - = 1 1/5 miles

1 inch = (2/3)(6/5)= 4/5 mile

4 miles = 4/(4/5)= 16/5 = 3.2 inches on the map