First figure out how much how much they earn per hour by using division: Lena: 598 ÷ 46 = 13- earns $13 per hour Darren: 700 ÷ 50 = 14- earns $14 per hour Yolanda: Already given- earns $15 per hour
You can see that Yolanda earns the most compared to the other two so Yolanda earns the most money per hour. Hope it helped.