angelo and isabella are both salespersons . in any given week , angelo makes $ 540 in base salary plus 8 percent of the portion of his sales above $ 1,000 for that week . isabella makes 10 percent of her total sales for any given week . for what amount of weekly sales would angelo and isabella earn the same amount of money ?
"let the weekly sales of both = x 540 + ( x − 1000 ) 8 / 100 = 10 / 100 x x = 23000 answer : a"
floor(divide(divide(subtract(540, multiply(1,000, divide(8, const_100))), subtract(divide(10, const_100), divide(8, const_100))), 1,000))