Tickets for a football match are sold at $30 for EACH adult and $15 for EACH child. A company bought 28 tickets. (i) If x of these tickets were for adults, write in terms of x
(a) The number of tickets for children.
(b) The amount spent on tickets for adults
(c) The amount spent on tickets for children.
(ii)Show that the TOTAL amount spent on the 28 tickets is $ (15 +420)

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.