Question

Beth sold half of her comic books and then bought 9 more. she now has 28. with how many did she begin? please show work. thanks

Answer 1

28+9=37, 37+37=74, so the answer is 74 comic books. If I left out anything, tell me.

Answer 2

28-9=19 and 19*2=38, so she began with 38 comic books