Dina set her watch 20 seconds behind, and it falls behind another 1 second everyday. How many days has it been since Dina last set her watch if the watch is 27 seconds behind?

7 days

Step-by-step explanation:

The watch was set 20 seconds behind already, at the start.  The watch has lost 7 more seconds at the rate of 1 second per day.

b or 2, just plug these equations into your graphing calculator then check the graph to see the image. if it matches up then that's your answer!

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.