PLease help me me need help plz

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

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.!

What is fraction that is equivalent to 3/8