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Maths Puzzle
Numerical Ability
Diane can paint a house in 8 hours. Anne can paint a house in 10 hours. What is the fraction that they paint the house together in 2 hours?
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book Other Question
. Solve the following system by substitution.
8x - 4y = 16
y = 2x - 4
Simplify each rational expression using factoring.
24x^/3x
x^2-4/x^2+3x+2