Answer the following questions using ratio. Simplify your answer.
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1. The school has 12 teachers and 420 students. What is the ratio of the
teachers to the students in fraction in simplified form
2. The teacher bought 5 manila papers and 2 pentel pens. Give the ratio of the
numbers of manila papers to pentel pens.
3. There are 23 girls and 20 boys in a fifth grade class. What is the ratio of the
number of boys to the number of children in a class?
4. Angela has a bag with 4 notebooks and 2 pencils. What is the ratio of pencils
to notebooks?
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5. Write a ratio of number of days in a week to the number of months in a year.​