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?

Respuesta :

Her math book ways 3.9027 pounds or 3 65/72 pounds.

its B sorry if Im wrong have a nice day