does anyone know how to get the weights of 0.4286 anf 0.5714? thank you!

B of fund 1 is 0.80 B of fund 2 is 1.15 E(r) of fund 1 is 8% E(r) of fund 2 is 11.50% E(r) of S&P 500 is 10% ) Determine the weights in each fund that create an S&P 500 index fu Bp= = 1.0 0.80w1 + 1.15w2 = } w = 0.4286, w2 = 0.5714 1 = = w + W2 -) Is there a mispricing