Below are three problems based on the concept of mixtures in some ratio. Question 1 A certain box of health drink powder is obtained by mixing the makers as 3 parts of milk powder with 5 parts of energy powder. If 2 kg of the mixture is needed and the individual makers can be purchased only in one kg or half kg box. What is the least amount of makers, in kg's, that must be purchased in order to measure out the portions needed for the mixture? a)2kg b)3kg c)4.5kg d)2.5kg Answer : d)2.5kg Solution : Step 1) "A certain box of health drink powder is obtained by mixing the makers as 3 parts of milk powder with 5 parts of energy powder. " You should think: 3 parts of milk powder, 5 parts of energy powder sums to a total of 8 parts. More specifically, 3/8 of the mixture is milk powder and 5/8 of the mixture is energy powder. Step 2) "If 2 kgs of the mixture is needed and the individual makers can be purchased only in one kg or half kg cans" So w...
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