When do you multiply by a reciprocal ?

Alternatively, you can say that if you multiply a number by its reciprocal, you'll get 1: For example, if our chosen number is 5, then it's reciprocal is 1/5. The multiplication of these two numbers will give us 1: 5 * 1/5 = 5 * 0.2 = 1

Step-by-step explanation:

24

step-by-step explanation:

3

step-by-step explanation:

divide 13.5 by 9 to get the scale factor. it equals 1.5

2 * 1.5 = 3