could someone show me how to work this problem in excel? please includw cell references and formulas

You combine two assets in a portfolio. Asset 1 has a standard deviation of 0.50 and Asset 2 has a standard deviation of 0.45 The correlation between Asset 1 and Asset 2 is.30. If you put 40% of the portfolio weight in Asset 1 and the remainder in Asset 2, what is the portfolio's standard deviation? Portfolio variance: o= wo+ wo + 2W, W221,20102 (46)(1509) +(60%).452) + 26.40)6.60) (-30%.50)6.45) 1453 8=.381