There are 18 bikes in a rack. there are 4 more blue bikes than yellow, and 2 less yellow bikes than green bikes. how many bikes of each color are in the rack?

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

this answer is !