On a recent test, the ratio of Joe's mark to Ann'a mark to Ellas's mark was 8:6:11. If Joe got 72, what was the difference in the marks of the other two?
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Answer:
45
Step-by-step explanation:
Let Joe's marks be 8x,Anna's mark be 6x and Ellas's marks be 11x.
according to the question:
8x = 72
x= 72/8=9
Anna's marks=6x = 9*6=54
Ella's marks = 11x= 9*11=99
Difference= 99-54=45
So i think u have got your answer
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