SOLUTION: The ratio of rubies to emeralds was 3 to 1, and the ratio of emeralds todiamonds was 2 to 1. If there were 18 rubies, emeralds, and diamonds in all, how many of each were there?
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Question 67236This question is from textbook Advanced mathematics
: The ratio of rubies to emeralds was 3 to 1, and the ratio of emeralds todiamonds was 2 to 1. If there were 18 rubies, emeralds, and diamonds in all, how many of each were there? This question is from textbook Advanced mathematics
You can put this solution on YOUR website! Rubies to Emeralds 3:1 or 3x to x
Emeralds to Diamonds 2:1 or 1:0.5 or x to 0.5x
3x + x + 0.5x = 18
4.5x = 18
x = 4
12 Rubies
4 Emeralds
2 Diamonds
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