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Maths Puzzle
Numerical Ability
I would like to know how to simplify this problem
2 9
_____ + ____
x + 4 5x + 20
the 2 is over the x + 4, and the 9 is over the 5x + 20
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book Other Question
The last page of a book is numbered 764. The book is 3.0 cm thick. What is the average thickness of a sheet of paper in the book, in centimeters?
what is the answer to this question:-2+8=-5x+7+4