Michael J. answered 06/08/19
Mathematics and Computer Programming for Gifted Students
Base = $275
Commission = Sales * 0.08
Pay = $560 = Base + Comission
$275 + Sales * 0.08 = $560
Sales * 0.08 = $560 - $275 = $285
Sales = $285 / 0.08
Sales = $3,562.5