Eliza’s backpack weighs 18 and StartFraction 7 over 9 EndFraction pounds with her math book in it. Without her math book, her ba

Question

3 years ago

12

Eliza’s backpack weighs 18 and StartFraction 7 over 9 EndFraction pounds with her math book in it. Without her math book, her ba

ckpack weighs 14 and StartFraction 7 over 8 EndFraction pounds. How much does Eliza’s math book weigh?
1 3 and StartFraction 11 over 72 EndFraction pounds
2 3 and StartFraction 65 over 72 EndFraction pounds
3 4 and StartFraction 11 over 72 EndFraction pounds
4 4 and StartFraction 65 over 72 EndFraction pounds

plzzzzzzzz elp fast 53 points to woever helps

Mathematics

2 answers:

pantera1 [17] · Answer 1 · 2022-05-17T12:05:35+03:00

pantera1 [17]3 years ago

6 0

It would be 3.9 pounds put if rounded it would go to 4 pounds

kramer · Answer 2 · 2022-05-17T10:49:50+03:00

kramer3 years ago

4 0

Answer:

about 3.9 lbs

Step-by-step explanation:

18 7/9 lbs - 14 7/8 lbs

convert mixed numbers to improper fractions

169/9 - 119/8

convert to common denominator

1352/72 - 1071/72

subtract numerators

281/72

about 3.9 lbs