Female hairdresser, blonde hair: If we have promotions in the salon, say like 20 percent off your haircut, I'd then need to work out exactly what 20 percent off the haircut is. Male chef, blonde ...

Percentages represent an amount out of 100. This provides a consistent base to compare against when looking at fractional parts. For example, 50%, means 50 out of 100 or \( \frac{50}{100} ...