In a school, there are 150 boys and 100 girls. What is the ratio of the number of boys to the number of girls?
Answer: 3:2
Explanation
150:100, the ratio of number of boys to girls.
15:10, ratio reduced.
3:2, the ratio reduced more.
therefore the ratio of the number of boys to girls is 3:2.
ND-5-09--023
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