Question

Can someone match these?
1. 45/100 = 20/x
2. 20/100 = 45/x
3. x/20 = 45/100
4. 45/20 = x/100

A. 20% of what number is 45?
B. 45 is what percent of 20?
C. What is 45% of 20?
D. 20 is 45% of what number?

Answer 1

Help ! D:

Answer 2

\[A) \frac{20}{100} \times x=45 \rightarrow \frac{20}{100}=\frac{45}{x}\]which is (2)

Answer 3

\[B) 45 \times \frac{x}{100}=20 \rightarrow \frac{45}{100}=\frac{20}{x}\]which is (1)

Answer 4

\[C) \frac{45}{100} \times 20=x \rightarrow \frac{x}{20}=\frac{45}{100}\]which is (3)

Answer 5

D with 4 :D