4 * 90 = 360
91 + 95 + 88 = 274
360 - 274 = ?
In three math tests, you have scored 91,95 and 88 points. You are about to take your next test. Suppose you want to have an average score of at least 90
points after all four tests. Explain a method you could use to find the score you must receive in order to average at least 90 points.
2 answers
86
1 answer