If Salam makes a box every 5 minutes and Kalam takes 7 minutes to make a box, what will be the ratio of the number of boxees ...

If Salam makes a box every 5 minutes and Kalam takes 7 minutes to make a box, what will be the ratio of the number of boxees produced by Salam to the number of boxes produced by Kalam if they work for 5 hours and 50 minutes?