In this task, you need to answer the given multiple-choice question on the physics. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Problem: on a map , 1 inch represents 28 miles . how many z inches would be necessary to represent a distance of 383.6 miles ? 
Options: a ) 5.2 , b ) 7.4 , c ) 13.7 , d ) 21.2 , e ) 28.7
c

Problem: express 35 mps in kmph ? 
Options: a ) 122 , b ) 188 , c ) 126 , d ) 140 , e ) 124
c

Problem: if jack walked 9 miles in 1 hour and 15 minutes , what was his rate of walking in miles per hour ? 
Options: a ) 4 , b ) 4.5 , c ) 6 , d ) 6.25 , e ) 7.2

e