exam
Maths Puzzle
Numerical Ability
Solve 2w(4w+1)=1
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exam Other Question
A service station wishes to mix 40 L of a 78% antifreeze solution. How many litres of a 75% solution and a 90% solution should be used in forming the mixture? ( using two unknowns, write two equations and solve.)
which equation of the line passes through (3,-2) and is parallel to y=2/3x?