Females who use their coupon in Haircutting is how much more than Females who use their coupon in Pedicure?

Let, Males and females who use their coupons in Haircutting be 13x and 7x respectively. ⇒ Males who use their coupons in Pedicure = 7x+72 Then Females who use their coupons in Pedicure = 450−13x−7x−7x−72=378−27x / ATQ, 7x+72+13x−(7x+378−27x)=174 40x–306=174 40x = 480 X =12 /

Required difference = 84−54=30