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Eliza’s backpack weighs 18 and StartFraction 7 over 9 EndFraction pounds with her math book in it. Without her math book, her backpack weighs 14 and StartFraction 7 over 8 EndFraction pounds. How much
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Eliza’s backpack weighs 18 and StartFraction 7 over 9 EndFraction pounds with her math book in it. Without her math book, her backpack weighs 14 and StartFraction 7 over 8 EndFraction pounds. How much does Eliza’s math book weigh?

User Pikachu
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1 Answer

9 votes

Answer:18 7/9 - 14 7/8

= 169/9 - 119/8

now you must find a common denominator

= 281/72

3 65/72 lbs

Explanation:

User JenB
by
3.2k points
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