X + 13× 50 = 420 + 45% of 800 + 220A450B350C250D550Answer: B. 350 Read Explanation: X + 13× 50 = 420 + 45% of 800 + 220 X + 650 = 420 + 45/100 × 800 + 220 X + 650 = 420 + 360 + 220 X = 1000 - 650 = 350Read more in App