Answer:
F(a) =2a^2+4a+5
Step-by-step explanation:
just put x= a
Answer:
10
Step-by-step explanation:
Answer:
300
Step-by-step explanation:
30 * 10 = 300
8 . You round 31.9 to 32 then divide it by 4 which gives you 8
9514 1404 393
Answer:
- 126 children
- 63 adults
- 60 students
Step-by-step explanation:
Let a represent the number of adults that attended. Then 2a is the number of children, and (249 -a -2a) is the number of students. The total revenue is ...
5(2a) +7(249 -3a) +12a = 1806
a +1743 = 1806 . . . . simplify; next, subtract 1743
a = 63 . . . . . . . . adults
2a = 126 . . . . . . children
249 -3a = 60 . . students
126 children, 63 adults, and 60 students attended.
