3-4 Dividing Rational Numbers
Find the multiplicative inverse of each number.
14. SOLUTION: Two numbers whose product is 1 are called multiplicative inverses. So, the multiplicative inverse of
is .
is or 15. SOLUTION: Two numbers whose product is 1 are called multiplicative inverses. So, the multiplicative inverse of
.
16. SOLUTION: Two numbers whose product is 1 are called multiplicative inverses. To find the multiplicative inverse of a mixed
number, first write the mixed number as an improper fraction.
= So, the multiplicative inverse of
is .
17. SOLUTION: Two numbers whose product is 1 are called multiplicative inverses. To find the multiplicative inverse of a mixed
number, first write the mixed number as an improper fraction.
= So, the multiplicative inverse of
is .
18. 19
SOLUTION: Two numbers whose product is 1 are called multiplicative inverses. So, the multiplicative inverse of 19 is
.
19. –54
SOLUTION: Two numbers whose product is 1 are called multiplicative inverses. So, the multiplicative inverse of –54 is
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Find each quotient. Write in simplest form.
20. .
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18. 19
SOLUTION: 3-4 Two
Dividing
Numbers
numbersRational
whose product
is 1 are called multiplicative inverses. So, the multiplicative inverse of 19 is
.
19. –54
SOLUTION: Two numbers whose product is 1 are called multiplicative inverses. So, the multiplicative inverse of –54 is
.
Find each quotient. Write in simplest form.
20. SOLUTION: 21. SOLUTION: 22. SOLUTION: 23. SOLUTION: eSolutions Manual - Powered by Cognero
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3-4 Dividing Rational Numbers
23. SOLUTION: 24. SOLUTION: 25. SOLUTION: 26. SOLUTION: eSolutions Manual - Powered by Cognero
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3-4 Dividing Rational Numbers
26. SOLUTION: 27. SOLUTION: 28. COOKING Hannah is making chocolate chip cookies. How many batches of cookies can she make if she has
cups of brown sugar? Use the recipe card.
SOLUTION: To find the number of batches Hannah can make, divide the amount of brown sugar she has,
amount of brown sugar needed for one batch,
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cups, by the cups.
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3-4 Dividing Rational Numbers
28. COOKING Hannah is making chocolate chip cookies. How many batches of cookies can she make if she has
cups of brown sugar? Use the recipe card.
SOLUTION: To find the number of batches Hannah can make, divide the amount of brown sugar she has,
amount of brown sugar needed for one batch,
cups, by the cups.
Hannah can make 5 batches of cookies.
29. DRAMA CLUB How many play costumes can be made with
yards of fabric if each costume requires yards?
SOLUTION: To find the number of costumes that can be made, divide the total amount of fabric,
fabric needed for each costume,
yards, by the amount of yards.
So, 12 costumes can be made.
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ALGEBRA Find each quotient. Write in simplest form.
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3-4 Dividing Rational Numbers
Hannah can make 5 batches of cookies.
29. DRAMA CLUB How many play costumes can be made with
yards of fabric if each costume requires yards?
SOLUTION: To find the number of costumes that can be made, divide the total amount of fabric,
fabric needed for each costume,
yards, by the amount of yards.
So, 12 costumes can be made.
ALGEBRA Find each quotient. Write in simplest form.
30. SOLUTION: 31. SOLUTION: 32. SOLUTION: eSolutions Manual - Powered by Cognero
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3-4 Dividing Rational Numbers
32. SOLUTION: 33. SOLUTION: eSolutions Manual - Powered by Cognero
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