Please be legible. Thank you!

(e) Nancy 25. As an ice cube melts, its mass in grams changes at a constant rate with respect to the number of minutes since it began melting Five minutes after the ice cube began to melt, its mass was ten grams. Seven minutes after the ice cube began to melt, its mass was seven grams. What was the constant rate of change? (a) 2 grams per minute (b) -1 gram per minute (c) -1.5 grams per minute (d) 0.7143 grams per minute (e) 1.4 grams per minute