30 - 29 = 1 for the first one.
Answer: I did the test too
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.
Answer:
30 years old
Step-by-step explanation:
Joe's age can be set to x. Since Billy is twice as old as Joe, his age can be set to 2x. They add up to 45. You can set up an equation, 2x+x=45.
Simplify the equation.
3x=45, x=15
Joe is 15. Billy is 2(15)=30.