In this case, we'll have to carry out several steps to find the solution.
Step 01:
Data:
total marbles = 40
orange marbles = 36
% orange marbles = ?
Step 02:
[tex]\text{ \% orange marbles }\frac{\text{oranges marbles }}{\text{total marbles }}\cdot100\text{ \%}[/tex]% oranges marbles = (36 / 40) * 100 %
= 90%
The answer is:
The percentage of oranges marbles is 90%.