Two planes leave O'Hare airport in Chicago at the same time. One flies directly east at 540 miles per hour. The other flies directly west at 720 miles per hour. How long will it take them to be 1890 miles apart? |
The number of one and two-step equations who auditioned for a show where 2460. If 5 times the number of one-step equation minus twice the number is qual to -300 how many two-step equations were chosen?. |