Addition and Subtraction
Find x:
8 = x - 15
23
Find p:
p/7 = 28
196
Maya bought an empanada and Coke. She spent $5 on the empanada, and c dollars on the Coke. Her total was $8. Write an equation to represent this situation. Use c for Coke.
5 + c = 8
8 - 5 = c
8 - c = 5
24 days
Find h:
h + 17 = 30
13
Find x:
9x = 54
x = 6
United Airlines has 6 identical planes. The planes can hold 2010 people all together. Write an equation that represents how much one plane can hold.
Use p for plane.
6p = 2010
Write an equivalent expression:
36 + 156
Multiple answers.
Find j:
j + 2/7 = 6/7
4/7
Find m:
0.18m = 0.54
m = 3
The product of -3 and y is 15.
Write an equation, then solve for y.
-3 x y = 15
y = -5
(-9)3 + 2 x -5
-739
Then, find y.
-7
Find x:
-8x = 120
x = -15
The width of Gina's garden is 4 feet shorter than the length. The length is 15 feet.
Write an equation to determine the width, w.
Then, find w.
15 - 4 = w
4 + w = 15
w = 11
Emanuel's Gatorade bottle can hold up to 16 ounces.
Write and graph an inequality, illustrating how much Gatorade, g, could be in Emanuel's bottle, at any given time.
g is greater than or equal to 16
b - - 80 = 100
20
The quotient of m and 4 is 16.
m/4 = 16
m = 64
The area of a rectangle is 45 square units. The length of the rectangle is 9 units.
Write an equation to determine the width of the rectangle, w.
45/9 = w
9w = 45
Ana has 3 1/2 bags of candy. Each bag has 10 pieces of candy. Ana gave away 4/5 of her candy. How many pieces did Ana give away?
28 pieces of candy