dolsen27
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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?
3 and StartFraction 11 over 72 EndFraction pounds
3 and StartFraction 65 over 72 EndFraction pounds
4 and StartFraction 11 over 72 EndFraction pounds
4 and StartFraction 65 over 72 EndFraction pounds

Respuesta :

Leora03

Answer:

2nd option: [tex]3 \frac{65}{72} [/tex] pounds

Step-by-step explanation:

backpack +math book ----- [tex]18 \frac{7}{9} [/tex] pounds

backpack ----- [tex]14 \frac{7}{8} [/tex] pounds

Weight of math book

= (weight of backpack +math book) -(weight of math book)

[tex] = 18 \frac{7}{9} - 14 \frac{7}{8} \\ = 3 \frac{65}{72} [/tex]

Answer:

B. 3 and StartFraction 65 over 72 EndFraction pounds

Step-by-step explanation:

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