Emma, Steve, Maria, and George are comparing the solution of a math assignment problem below. 3
12 + 21 – 3
11
Select the student who correctly subtracted the rational expressions.
Emma:
Steve:
(-1) (+ 3)
3
1) (1 + 3)
UT
11 + 3) + 3
1- 1/1 + 3)
1 + 3) - 3
(1 – 1) (1 + 3)
1 + 6
(1 - 1)(1 + 3)
1) (1 + 3)
Maria:
3
(1 - 1)(1 + 3)
George:
1 - 3
1 - 12 - 2r +
-2
1 + 2

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.