What is the approximate percentage of October's total sales that bicycles AND rollerblades accounted for?

Answer:
64.7%
Step-by-step explanation:
By observation, 10 bicycles were sold in October.
23 rollerblades were sold in October.
18 skateboards were sold in October.
Percentage:
[tex]\frac{b+r}{Total} *100[/tex]
[tex]\frac{10+23}{10+23+18} *100=\frac{33}{51} *100= 64.7[/tex]%