exam
Maths Puzzle
Numerical Ability
The area of a rectangle of length x is given by 3x^2+5x. Find the width of the rectangle.
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exam Other Question
(a) Complete the table, which gives the details about two investments made by a retired couple.
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Solve each system by using both the substitution and addition methods:
A. 4x-y=6
x-y=0
B. 5x+2y=1
x-3y=7