Solving Equations
5 + x = 34.5
What does x equal?
x = 29.5
100
3x = 6
Simplify the expression.
7(3+5)
21+35
What is the equation you use to solve for part, whole, and percent?
P = % x W
During a school event, Malaysia is selling cake at the food stand for $1.25 per slice. How much will she make if she sold 20 slices?
$25
d - 2 = 4.6
d = 6.6
200
2x = 3
Make the equation true.
15 - 10 = _ (3 - 2)
5 (3 - 2)
3/7 of the students in a school are in sixth grade. How many sixth graders are there if the school has 28 students?
12 6th grade students
During a school event, Malaysia is selling cake at the food stand for $1.25 per slice. How much will she make if she sold 50 slices?
$62.5
10x = 5
x = 1/2
300
x = 2
Simplify the expression
5 (x+3) =
5x + 15
Write an equation that shows the relationship 40% of 120 is a.
P = 120 x .4 or a = 120 x .4
During a school event, Malaysia is selling cake at the food stand for $1.25 per slice. How much will she make if she sold p slices?
1.25p
2a = 16
a = 8
400
x = 3/2
400
7(6 + 2)
3/7 of the students in a school are in sixth grade. How many students are in the school if 63 of them are sixth graders?
147 students total in the school
During a school event, Malaysia is selling cake at the food stand for $1.25 per slice. How many slices did she sell if she made $12.50?
10 slices
c / 2 = 12
c = 24
500
2x + 6 = 9
Simplify the expression
7 x 6 + 7 x 2 or 42 + 14 or 56
45% of c is 72. Find the value of c.
c = 160
During a school event, Malaysia is selling cake at the food stand for $1.25 per slice. How many slices did she sell if she made $120?
96 slices