3.8 Ratio word problems
 1. A scientist counted birds in a cornfield. He counted nine crows and eight hawks. What was the ratio of hawks to crows? Use a : b form2. Children have 20 teeth and adults normally have 32 teeth. What is the ratio of children's teeth to their adult teeth? use a:b form (simplify)3. If 43% of the students are female, what is the ratio of female students to male students? (Hint: find the % that are male first). Use a:b form.4. You have the set of numbers {-6, -7, -2, -3, 9, 5, -2, 10, 3, 7}. What is the ratio of positive numbers to negative numbers? use a:b form (simplify)5. Write the ratio in simplest form. 6 to 12 Use a:b form.6. There are 6 red marbles, 7 green marbles and 4 blue marbles in a bag. What is the ratio of blue marbles to total marbles?7. Write the ratio in simplest form. 40 to 120. use a:b form (simplify)8. What is the ratio of vowels to consonants in the word "Minnesota"? (use a:b form and simplify)9. What is the ratio of numbers less than 4 to the total in the following set of numbers? {4, 1, 6, 9, 2, 3, 7, 1, 2, 5, 3, 8} use a:b form (simplify)10. You empty your piggy bank and have 6 quarters, 11 dimes, 18 nickels and 21 pennies. What is the ratio of pennies to quarters? use a:b form (simplify)11. Write the ratio in simplest form. 15 to 25 (use a:b form and simplify)
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