exam Maths Puzzle Numerical Ability

A merchant has coffee worth $40 a pound that she wishes to mix with coffee worth $90 a poundto get a 75 pound mixture that can be sold for $7o How many pounds of each type of coffe

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exam Other Question
A box contains 5 green, 2 yellow, and 3 purple balls. Find the probability of obtaining a green or a yellow or a purple ball in a single draw. If x represents the first of two consecutive odd integers, express the sum of the two integers in terms of x.

Do you always have to combine like terms in order for the anwser to