Question

Arturo Muina is the captain of a charter fishing boat. He is paid a salary of $140 per day. He also averages tips amounting to 12% of a $475 daily charter rate. Last month during a fishing tournament, Arturo worked 22 days. What were his total gross earnings for the month?
Ms. Sue
22 * 140 = 3,080 >> base salary

22 * 475 * 0.12 = ? >> tips

Add the tips to the base salary.