Two missiles are initially 5000 miles apart. they travel along a straight line directly towards one another, one traveling at 2000 miles per hour and the other at 1000 miles per hour. how many miles apart are they 1 minute before impact?

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.