4) A box contains colored circles and triangles. 60% of all the figures are red, while 40% are blue. Of the red figures, 1/3 are triangles, and of...

4) A box contains colored circles and triangles. 60% of all the figures are red, while 40% are blue. Of the red figures, 1/3 are triangles, and of the blue figures, 3/4 are circles.

(a) What proportion of the figures are triangles?

(b) If a circle is randomly drawn, what is the probability that it is red?

(c) If a triangle is randomly drawn, what is the probability that it is blue?