8 trash bags ... 30 days
28 trash bags ... x days
We would like to know what is the value of the x. You can do it in the following way:
8 x = 30 28
Now, you have to divide both sides of the equation by 8:
8 x = 30 28 /8
x = 30 * 28 / 8
x = 105 (days)
The correct result is 105 days.
