Question

the table shows how the number of sit-ups Maria does each day has changed over time. At this rate, how many sit-ups will she do on day 12? day 1- 17, day 2- 21, day 3- 25, day 4- 29, day 5- 33

Answer 1

61

Explanation:

a = 17

d = 21 - 17 = 4

12th day: 17 + 4(12 - 1)

17 + 44

61