Distributing
4(6 + 8)
56
x + 4 = 11
x = 7
What is the volume of a rectangular prism with length 4 units, width 3 units, and height 2 units?
24
8 + 3 × 2
14
1/2 + 1/4
3/4
3(x + 5)
3x + 15
3x = 18
x = 6
What is the volume of a rectangular prism with length 5 units, width 4 units, and height 3 units?
60
(6 + 3) × 2
18
7.2 − 2.7
4.5
5(2y + 7)
10y + 35
x − 5 = 4
x = 9
What is the volume of a rectangular prism with length 9 units, width 5 units, and height 4 units?
180
7 + 6 × 2
19
−3 − 4
-7
3(3x + 9)
9x + 27
6x − 10 = 74
x = 14
What is the volume of a rectangular prism with length 11 units, width 6 units, and height 4 units?
264
(9 − 3) × 4 − 3
21
A recipe uses a ratio of 2 cups of flour for every 3 cookies. How many cups of flour are needed for 27 cookies?
18 cups
5(4x + 5) + 2(4x + 5)
(combine like terms)
28x + 35
5(x + 2) = 50
x = 8
What is the volume of a rectangular prism with length 15 units, width 7 units, and height 6 units?
630
50 − 8 ÷ 4 + 3 × 2
46
A number is increased by 1/5 of itself. If the original number was 40, what is the new number?
48