Problema Solution
For packs of tri-coloured smarties, the colour distributions are expressed as ratios. Calculate the mass of each colour in a 250 gram package if the ratio of blue:yellow:red is 21:7:9
Answer provided by our tutors
Blue = 21x
Yellow = 7x
Red = 9x
21x + 7x + 9x = 250
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click here to see the equation solved for x
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x = 6.76 g
21*6.76 = 141.96 g are blue smarties
7*6.76 = 47.32 g are yellow smarties
9*6.76 = 60.84 g are red smarties