Answer:
65
Step-by-step explanation:
iIf 20miles=1/2 inches then you would have to multiply how many times you have to add 1/2 to get 3 and 3/4. So in this case 1/2 + 1/2 +1/2 +1/2 + 1/2 + 1/2 +1/2 + 1/2(1/2). Then you multiply by the same number. 20 (3 1/4)=65
