Betsy and Donovan made a meal together. Betsy's part took 18 minutes longer than Donovan's part. The meal was made in 98 minutes. How many minutes long was Betsy's part?
Let D = Donovan's time in minutes Betsy = D + <<+18=18>>18 2D + 18 = 98 2D = 80 D = <<40=40>>40 Betsy = 40 + 18 = <<40+18=58>>58 minutes Betsy's part took 58 minutes. Answer: 58