The equation needed for the two membership types to cost the same thing is:
10 + 5x = 70
Where x is the number of visits per month
Explanation:Given that an unlimited membership is $70 per month or monthly $10 fee plus $5 per visit.
Let x denote the number of visits per month, then for the two membership types to cost the same, we have:
10 + 5x = 70