500
500
The sequence appears to be alternating between dividing by 2 and multiplying by 10. Starting with 20, we divide by 2 to get 10, then multiply by 10 to get 100, then divide by 2 to get 50, and finally multiply by 10 to get 500. Therefore, the next number in the sequence would be 500 divided by 2, which equals 250.
The percentage of 100 to 500 is 20%.
100/(500/100) = 20%
20% of 500 = 20% * 500 = 0.2 * 500 = 100
100 is 20% of 500.
20% of 500 = 100
500 2500.
100
Multiply by 5 4*5 = 20 20*5 = 100 100*5 = 500 500*5 = 2500
20 x 5 = 100