I have the answers but need an explanation thanks!

Problem 2 (Labor supply, 10p) The utility function from leisure (L) and consumption (C) of Worker is given by: U(L, C) = 18C-2. The respective marginal utilities are: MU, = 0.81-2C-2, and MUc = 0.21.BC-8. Worker has 24 hours to allocate between leisure and work. What is the labor supply of worker (hours of work as a function of wage) if its nonlabor income is: a. R=5 Answer: h(w) = 4.8 - 4 w b. R=125 100 Answer: h = 4.8 - W