8. Paulana scored 125, 132, and 113 in three mathematics tests out of 150 each. What grade must she obtain in the next test to have an mean of exactly 75% for the four tests? (a) 80 (b) 100 (c) 75 (d) 95
Answers
Answered by
0
Answer:
(a)80
because add 3 subject marks +80 and ÷by 600and ×by 100
Similar questions