There are 450 coupons which can be used in Pedicure and Hair cutting. Ratio between Males to Females who use their coupons in Hair cutting is 13 : 7 N...

There are 450 coupons which can be used in Pedicure and Hair cutting. Ratio between
Males to Females who use their coupons in Hair cutting is 13 : 7 Number of males who use their coupons
in Pedicure is 72 more than number of females who use their coupon in Hair cutting. Total number of males
who use their coupon in Pedicure and Haircutting together is 174 more than total number of females who
use their coupon in Pedicure and Haircutting together.

Ratio between Males who use their coupon in Pedicure to that of in Spa is $4 : 5$, while ratio between Females who use their coupon in Haircutting to that of in Spa is $6 : 11$. Find the total number of people who use their coupons in Spa.