exam
Maths Puzzle
Numerical Ability
Graph the equation x-y=6
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exam Other Question
can you tell me if i factored this correctly?
64x^2-1
=x(2+8)
Oolong tea sells for $19 per pound. How many pounds of Oolong should be mixed with regular tea selling at $4 per pound to produce 50lb of tea selling for $7 per pound?