Combining Like Terms
4n + 5n
9n
What is the mode of 4, 7, 9, 9, 3, 10, 3, 3
3
-9 + 3
-6
Lena bought 4 packs of gum. Each pack cost $2. How much did she spend?
$8
n - 13 = 2
n = 15
6x + 2x + 5
8x + 5
What is the median of 2, 3, 4, 6, 8, 10
5
0 - 8
-8
A bus travels at a speed of 60 miles per hour.
How far does it travel in 3 hours?
180 miles
3a = -9
(hint: dddivorce)
a = -3
7x - 4
7x - 4
What is the range of 6, 2, 9, 5, 10, 3
8
3 - 8
-5
James has $20. He buys 3 notebooks that each cost $4. How much money does he have left?
$8
4b + 5 = 45
b = 10
4x + 3y + 2x + 2y
6x + 5y
What is the mean of 2, 9, 10?
7
4 - (- 5)
9
A pizza place charges $10 per pizza. How much would 3 pizzas and a $10 tip cost?
$40
6a - 2 = 40
a = 7
3x + 6y - x + 2y
2x + 8y
What is the mean of 5, 7, 9, 10, 6, 5
7
-6 - (- 3)
-3
A soccer team buys 4 sets of uniforms. Each set costs $32. They also buy a $48 equipment bag. What is the total cost of the purchase?
$176
m/2 + 3 = 8
m = 10