Answer:
10
Step-by-step explanation:
f(x) =3x-x=2x,
f(7-2)=f(5)= 2*5=10
24 dollars.
1/4 + 1/3 = 3/12 + 4/12 = 7/12
7/12 a + 8 = 22
7/12 a = 14
a = 14 x 12/7
a = 24 dollars
Answer:
6 students.
Step-by-step explanation:
First let's combine 2 and 1/6.
6/6 + 6/6 + 1/6 = 13/6.
Now we will turn 13 to 13/1 and divide by 13/6



So, the teacher will hand the pizza out to 6 students.