Could you show calculations on how you did this

There are two assets that Jackie can invest in: a stock with a beta of 1.60, which has an expected return of 12%, and the risk-free asset, which has a return of 0.75%. If Jackie wants to construct a two-asset portfolio with a beta of 0.88 , what percentage (weight) of their money should they put into each asset? What is the expected return on the portfolio? Stock weight RF Asset weight E(R) portfolio