Bradley and Ryan are having a contest to see who can collect the most bumper stickers. Bradley started with 23 bumper stickers and plans to add for each month. Ryan has nine bumper stickers and plans to add six each month. After how many months will they have the same number of bumper stickers?
After 5 months, Bradley and Ryan will have the same number of bumper stickers. Bradley will have 43 bumper stickers (23 + 4 x 5) and Ryan will have 39 bumper stickers (9 + 6 x 5).
