75% means 75/100
'of' means multiplication in maths
75% of her original hair means (75/100)H
Simplify (75/100) H
You could simplify in 2 ways:
- Leave it in simplest fraction form: (3/4)H
- Convert the fraction into decimals: 0.75H
ANS: Expressions c and d represent how long her hair was after the cut
Hope this helps!!