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Math Tools
Question: 12 of 12
12. Ainsley has decided to begin a 5-day sit-up challenge where she plans to increase the number of sit-ups completed each consecutive day by the same amount to
gradually build up her core muscle strength.
After talking with a friend who already began the challenge, she's aware that she needs to complete 20 sit-ups on Day 1 of the challenge and will complete 36 sit-
ups on the last day, Day 5.
What is the common difference of this sequence?
How many sit-ups should Ainsley do on Day 2 of the challenge?
What is the formula of the linear function that models this sequence? y =
If Ainsley continues the challenge for 15 days, how many sit-ups will she complete on Day 15?
24
15
16
20
24
36
68
72
76
80