How to simplify the square root expression

Does anyone know how to do geometryme with this problem

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!

I’m really confused and need your assist me with this question i’ve never been taught