Question

1. a hairdresser mixes brunette hair colouring for a client using 20 ml hair colour, 40 ml colour developer, 15 ml conditioner, and 3 ml thickener. find the following ratios and simplify them to their lowest terms. express your answers as fractions. a) the ratio of hair colour to thickener.

Explanation:

Step1: Identify the amounts

Hair colour is 20 mL, thickener is 3 mL.

Step2: Form the ratio

The ratio of hair colour to thickener is $\frac{20}{3}$. Since 20 and 3 have no common factors other than 1, it is already in lowest terms.

Answer:

$\frac{20}{3}$