Please answer number 17 please

How many natural numbers n satisfy the inequality: 1/7 < n/10 < 4/5 ?

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

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.