Question 329982
7.75-5.75=2
13-7=6
2/6=1/3" increase in length for each increase in size.
6.25-5.75=.50" increase in length from size 7.
1/3 + x = .50
1+3x=1.5
3x=.5
x=1/6
Since 1/3" represents 1 size change then .50 represents 1.5 size change.
The shoe size for 6.25 inch foot is 8 1/2.
.
Ed