Which bar diagram represents the equation 5x + 7.5 = 15?

He will sell sports drinks, a, for $1.65 each and granola bars, b, for $0.85 each. Which equation models how much money, t, Barry will raise from his sales? t = (1.652) / (0.85b) ... What type of graph would show how much she runs each day? absolute ... Which recursive rule describes the sequence 30, 15, 7.5, 3.75, 1.875,.