The numbers start from the top
To solve this problem you must apply the proccedure shown below:
1. We know that 1 yard is 36 inches, therefore, 50 yards expressed in inches is:

2. If he is 50 yards from school and the map shows that the school is 34 inches from his current location, when it shows 3 inches the real distance is:

3. If you can to express it in yards:

Therefore, the answer is: 158.82 inches or 4.41 yards.
<span>131 3/4 divided by 37/8.
527/4 divided by 31/8.
527/4 divided by 8/31.
1054/31.
34.</span>