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
Answer by Nate(3500) (Show Source): 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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