Erica is training for a marathon This week she ran 6 less than 2 times the number of miles that she ran last week in these two weeks ran a total of 42 miles write a system of equation and find x the number of miles she ran this week and y the number of miles she ran last week

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.