A car’s value decreases 5% every year after it is purchased. If the original price of the car was $30,000, how much is the car worth in 7 years?

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.!