Joshua went on a shopping spree. he bought a backpack, 4 notebooks , 7 games, and a clock. the backpack cost $15.00, the notebooks cost $9.90 each, the games cost $10, and the clock cost $28.00. how much did he spend?

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.