--------------------------------------------------------------------- Define x : --------------------------------------------------------------------- Let the cost of the toy train be x. Toy Train = x Toy car = 2x - 20
--------------------------------------------------------------------- Construct equation : --------------------------------------------------------------------- The toy car costs $100. ⇒ 2x - 20 = 100
--------------------------------------------------------------------- Find the cost of the toy train : --------------------------------------------------------------------- Cost of the toy train = x = $60
--------------------------------------------------------------------- Answer: The toy train costs $60. ---------------------------------------------------------------------
Convert to radical form using the formula a x n = n √ a x a x n = a x n . Exact Form: 3 √ 17 4 17 4 3 Decimal Form: 43.71178704 I’m so sorry it won’t let me type it right on my phone but hope this helps
