Kendra's backpack weighs 3 1⁄2 pounds. if she removes a book that weighs 13 ounces, how much does the backpack now weigh?
how many ounces?

2lb 6oz or 2lb 7oz

Step-by-step explanation:

you would first multiply 3 by 16 which gives you 48 the you add the other 8 oz   which would give you 56 then you subtract the 13 oz to give you 43oz then you divide that by by 16 to give you 2.68 if you dont round up you will get the first answer but if you round you get the second answer

ryan had a head start of 10 meters.