Question

Deternine whether each proportion is true. Show how.
1. 15/9 = 35/21
2. 56/24 = 49/21

Answer 1

divide them.

Answer 2

Simplify them down to lowest terms

Answer 3

\[1. \space \frac{5}{3} = \frac{5}{3}\] so number one is true

Answer 4

1. true
2. 7/3 = 7/3
so, they are true

Answer 5

\[2. \space \frac{7}{3} = \frac{7}{3}\] 2 is also true