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In a certain school, there are 1, 530 students in all. How many girls if the ratio of boys to girls is 5:12?

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Answer:

ratio of boys to girls: 5:12

1,530 students in all

sum of ratio: 17

1,530 ÷ 17

= 90

5 × 90

= 450 (boys)

12 × 90

= 1,080 (girls)

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