Jackson is told to find the sum of this arithmetic series. His work is shown below. 400
(29n + 12)
n=10
+ a 400
anan lautan)
9400 = 400 (41 + 400)
a40o = 200 (41 + 11612)
a 400 - 200 (11653)
a400=2330,600
1) List 3 mistakes Jackson made.
2) Explain how to correct each mistake.

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.

Devonte is balancing his checking account. his account statement does not include a deposit of $107.00 that he made on november 1st. what is devonte’s actual account balance?

Abook store is having a 30 perscent off sale. diary of the wimpy kid books are now 6.30 dollars each what was the original price of the books