Question

a. What percentage of 40 is 20?​

Answer 1

Answer:

50%

Step-by-step explanation:

20 /40 x 100% = 50%

Answer 2

Answer:

50 per cent

Step-by-step explanation:

$40 \times \frac{x}{100} = 20 \\ 2 \times \frac{x}{5} = 20 \\ 2 \times x = 20 \times 5 = \\ 2 \times x = 100 = \\ x = \frac{100}{2} \\ x = 50$