8 1. Marco and Jerry sold of 24 cupcakes. If Marco sold thrice as much as Jerry, how many did each of them sell? 2. If a number is tripled and decreased by 8 the result is 31. What is the number?
3.Notebooks are PhP20 off for today's sale. If I bought 3 notebooks for 72 pesos, what is the original price of each notebook? 4 ㅕ 4. The sum of two numbers is 57. If one of them is 3 more than twice the other, what are the numbers?