Question

The library needs at least 15 people to sign up for an event in order to run it. Currently, 3 people have signed up, and the library expects 2 more people to sign up each day. Write an equality that could be used to solve the problem.

Answer 1

Let x represent the number of days that have passed.

The equality that could be used to solve the problem is:

3 + 2x ≥ 15