Question

4/5 of a number is 64. Find half of the number

Answer 1

Answer:

Let the number be x.

According to the question,

$= > \frac{4}{5} \times x = 64 \\ = > x = \frac{64 \times 5}{4} \\ = > x = 16 \times 5 \\ = > x = 80.$

Therefore, half of the number = 80/2=40.

Answer 2

Answer:

Let the number be x.

4/5x=64

x=64*5/4

x=80

1/2x=80/2=40