exam
Maths Puzzle
Numerical Ability
If the difference of a number and four is doubled, the result is 1/4 less than the number. Find the number.
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exam Other Question
Simplify:
sqrt 20 1
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5 sqrt 5
I do not believe that this can be simplifed, but is there a way to simplify this? Thank you for your help!!
Multiply.
(x -10)(x + 9)