Activity 4: Treasure Box. Complete the table by choosing your answers from the box. 30 (30, 13) (15,20) 15 - 10 = 2(x - 10 * - y = 17 y 20 5x + y = 130 (20,30) 20 30 - 13 Problem Representation Equations First Second Equation Equation x = 2y + 4 Solutions y Ordered Pair - The difference Let of two numbers x = one number is 17 and one of y = the other the numbers is number 4 more than twice the other. Find the numbers. The sum of Let Marikit and x = Marikit's Makisig's ages current age is 35. Ten years x – 10 = Marikit's ago, Makisig age 10 years ago was twice as old as Marikit's age. y = Makisig's How old are current age they now? y - 10 = Makisig's age 10 years ago x + y = 35 x + y = 50 Jason has 50 coins, all in P5 and F1 coins amounting to P130. How many coins of each kind does he have? Let x = the number of P5 coins y = the number of P1 coins



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