Answer:
3/5 of an inch
Explanation:
Day 1:
Length cut off = 1/10 of an inch
Day 2:
Length cut off = 1/2 of an inch
How much hair did she have cut off in all?
Total hair cut off = Day 1 + Day 2
= (1/10 + 1/2) of an inch
= (1+5)/10
= 6/10
= 3/5 of an inch
She has to cut off 3/5 of an inch of hair in all