Question

The amount of theatregoers has declined 18.7 %. By how many percent must the ticket price be raised to keep the proceeds from ticket sales unchanged? The answer has 2 decimals

Answer 1

P=sales

np=sales

18.7% declined=$\frac{18.7n}{100}$

New price for new tickets p'

Total sales=p'n$\frac{81.3}{100}$

New price=1.2300p

Which is 23% increment