need help solving this

Demand is Q" = 1,000 - 3P and supply is given by Q , = 4P - 400. The supply curve shifts such that Q 1 = 4P - 200. The new equilibrium price and quantity are Q = 485.71, P = . Note: Enter your answer rounded to two decimal places. For example, 123.45 and 678.90 are correctly formatted. Your