You need to find x first but it has to be x×x-4x
This must double your chances so if i round the nearest whole number would be 8 any questions?
If I understand the question correctly, you can have the same amount of change be two different percentages by having 4 quarters and 100 pennies.
Each quarter is 25%
Each penny is 1%
(am i explaining this right)
509 ÷ 13 = 36.36
There are about 36 floors.
Answer: 36 floors.
