Answer:
52.9%
Explanation:
There are 17 shapes total. Nine of those shapes are triangles. Therefore the probability of choosing a triangle is 9/17.
To find that as a percentage type 9 divided by 17 into the calculator. The answer to that is 0.5294117647058824. To turn a decimal into a percentage move the decimal point two places over making the percentage: 52.94117647058824%.
Since the yellow text states to round the answer to the nearest hundredth of the percent the answer is 52.9%.