9+16+19+6=50
9/50 = 18% purple
19/50 = 38% green
16/50 = 32% orange
6/50 = 12% yellow

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length

tip $2.90

total $17.40