The production rate of a steel factory is declining due to old machinery. Over the last eight days production has dropped by 1.2 tons. What is the average rate of change in steel production over the eight days? Express the answer in tons per day. a:+1.2 b: -1.2 c: +0.15 d: -0.15

The production rate of a steel factory is declining due to old machine

1.	The production rate of a steel factory is declining due to old machinery. Over the last eight days production has dropped by 1.2 tons. What is the average rate of change in steel production over the eight days? Express the answer in tons per day. a:+1.2 b: -1.2 c: +0.15 d: -0.15
Answer» Average RATE of change in steel PRODUCTION over the eight days = -0.15 TONS per day.Step-by-step explanation:The production rate of a steel factory is declining due to old machinery. Overthe last eight days production has dropped by 1.2 tons.Production is dropped by 1.2 tons, so its negativeAverage rate of change = Change in production / number of daysAverage rate of change = -1.2/ 8= -0.1