Question

if a number decreased by ___ %it becomes equal to its onethird​

Answer 1

Answer:

66.66%

Step-by-step explanation:

Let the number be x

Let the amount that was reduced be y

x - y= x/3

x - x/3 = y

y = 2x/3

Percentage of decrease = y/x %

= 100y/x %

= 200x/3x %

= 66.66%