The table shows the ages of the swimmers on dion’s swim team. find the mean age of the swimmers on the team.

1foot = 12 inches; 1 yard = 3 feet

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.

Me i’m stuck on all these questions besides the two bottom ones