Question

Dave bought 100 feet of string. He needs one 19.5 foot section and multiple 3.5 foot sections for a project. How many 3.5 foot sections of string can he get after using the 19.5 foot section?

Answer 1

after he used the 19.5 ft he can get 23 ....3.5 ft
100-19.5 then divide by 3.5 gives u 23