9. Which situation best represents the equation y=2.5x? * 85 points and brainliest no fake answers. A. Each day 2.5 inches of water evaporates from the experiment. B. Two cartons of eggs ring up at the register for $2.50. C. A bank account is opened with a balance of $5, and $2.50 is deposited each day. D. John is 2.5 times as big as his brother Sam.