There are 10 marbles in a bag 1/5 are and the other are blue .What is the ratio of red to blue marbles
1 answer:
Answer:
1 : 4
Step-by-step explanation:
There are 10 marbles in a bag 1/5 are red and the others are blue. What is the ratio of red to blue marbles?
Number of red marbles = fraction of red marbles x total number of marbles
1/5 x 10 = 2
Number of blue marbles = total number of marbles - number of red marbles
10 - 2 = 8
ratio of red to blue marbles
2 : 8
To transform to the simplest form. divide both numbers by 2
1 : 4
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