Question

1. write the ratio “4 to 9” in two other ways.
2. solve this proportion for x. $\frac{5}{7} = \frac{x}{140}$

Explanation:

Step1 (Q17): Rewrite as fraction

$\frac{4}{9}$

Step2 (Q17): Rewrite with colon

$4:9$
---

Step1 (Q19): Cross-multiply to isolate $x$

$x = \frac{5}{7} \times 140$

Step2 (Q19): Simplify the calculation

$x = 5 \times 20$

Answer:

1. $\frac{4}{9}$ and $4:9$
2. $100$