exam
Maths Puzzle
Numerical Ability
simplify (3x + 2)(4x - 5)
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exam Other Question
Which one of the following is not a factor of the expression
(p+ q + r) ^3 - p^3 - q^3- r^3
1) p+q 2) q+p c) p+r d) p+q+r
How many pounds of Hamburger that cost $1.10 per pound must be mixed with 50 punds of hamburger that cost $1.80 per pound to make a mixture that cost $1.30 per pound?