I'm unable to solve this

TOOLTI Score: 0 of 1 pt 13 of 60 (20 complete) HW Score: 24.44%, 14 67 of 60 pts X 8.1.72 Question Help When you buy something, it actually costs more than you may think-at least in terms of how much money you must earn to buy it. For example, if you pay 24% of your income in taxes, how much money would you have to earn to buy a used car for $6,840? SL (Round to the nearest whole number as needed.)