Question

Jerry started doing sit-ups every day. The first day he did 13 sit-ups. Every day after that he did 4 more sit-

ups than he had done the previous day. Today Jerry did 57 sit-ups. Write an equation that could be solved
to find the number of days Jerry has been doing sit-ups, not counting the first day. Let n represent the
number of days.
An equation that can help Jerry to find the number of days he has been doing sit-ups is given by?

Answer 1

2x + 15= 33

Explanation:

Jerry started doing sit-ups every day. The first day he did 17 sit-ups. Every day after that he did 4 more sit-ups than he had done the previous day. Today Jerry did 73 sit-ups. Write an equation that could be solved to find the number of days Jerry has been doing sit-ups, not counting the first day. Let n represent the number of days.