Question

John averaged 82 out of 100 on his first three tests. What was John’s score on the fourth test if his average after the fourth test dropped to 79 out of 100?

Answer 1

Answer:70

Step-by-step explanation:82+82+82+70=316/4=70

To find the average of multiple number you have to add up all of the numbers and then divide by the amount of numbers (in this case 4). You could easily do this by guess&check in a calculator.