If you are a genius, solve this puzzle: Brown Shoe + Yellow Canvas - Red Shoe

SOLUTION AND ANSWER: Apply the BODMAS PRINCIPLE

B BRACKET

O Of

D Division

M Multiplication

A Addition

S Subtraction

Hence,

Brown Shoe 6 + Brown Shoe 6 = 12

Yellow Canvas 4.5 + Yellow Canvas 4.5 = 9

Red Shoe 7.5 + Red Shoe 7.5 = 15

Brown Shoe 6 + Yellow Canvas 4.5 - Red Shoe 7.5 = 3