---------------------------------------- Define x : ---------------------------------------- Let the number be x.
---------------------------------------- Construct equation: ---------------------------------------- <span>Nine more than the product of 4 and the number is 73 </span>⇒4x + 9 = 73
---------------------------------------- Solve for x: ---------------------------------------- 4x + 9 = 73 4x = 73 -9 4x = 64 x = 16
---------------------------------------- Answer: Ken's number is 16. ----------------------------------------
