Q5. George's scores on three math tests were 70, 90 and 75. What score does he need on the
fourth test to have a final average of 80?
Answers
Answered by
2
Answer:
(70+90+75+x)/4=80
160+75+x=320
x=320-235
x=85
He needs to score 85 marks.
Brainliest plz.
Similar questions