help with all three portfolios (each asset)

Beta of a portfolio. The beta of four stocks-G, H, I, and are 0.46, 0.86, 1.06, and 1.64, respectively. What is the beta of a portfolio with the following weights in each asset: ? What is the beta of portfolio 1? (Round to two decimal places.) * Data Table (Click on the following icon in order to copy its contents into a spreadsheet.) Portfolio 1 Portfolio 2 Portfolio 3 Weight in Stock G 25% 30% 10% Weight in Stock Il 25% 40% 20% Weight in Stock 1 25% 20% 40% Weight in Stock 25% 10% 30% Print Done Enter your answer in the answer box and then click Check