13. In 2000, Mr. Turner and Mr. Hill each received a $6000.00 tax refund. Mr. Turner doesn't trust banks, so he put his money in his wall safe and added $750.00 every year. Mr. Hill decided to invest his $6000 in a home business. In 2010, Mr. Hill's business was worth $22,000.00. In 2015, Mr. Hill did a cost analyst of his business. He determine that in 2030 that he could retire when his business will be worth $48,000.00. Formulate a system of equations to determine the number of years it would take for the amount money Mr. Turner has in his safe to equal the value of Mr. Hill's home business.