exam Maths Puzzle Numerical Ability

suppose that x represents a womans age now. express her age in five years

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exam Other Question

(19x^2)(-5x^9)

x punds of candy valued at $3.50 per pound is mixed with y pounds of candy valued at $4.30 per pound to produce 10 pounds of a mixture selling for $4 per pound. Find x and y, the number of pounds of each type.