Question 6
Rex is four times as old as Ted. If the sum of their ages is 30, how old is Ted?
- 5
- 8
- 10
- 6
- 12
Question 7
On a real number line, x = -4 and y = 7. What is the length of the line XY?
- 11
- 3
- - 11
- 7
- 10
Question 8
Reggie has enough flour to last for 40 days. If he increases his use of flour by 25%, however, how many days' worth of flour will he have?
- 30 days
- 28 days
- 32 days
- 48 days
- 36 days
Question 9
If x = 3 and y = -1, then 3x2 + 2xy `" 5 = ?
- 18
- 24
- 12
- 14
- 16