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Solving Equations
Vocabulary
Proportions
Ratios
Percent
100
2x = 45
x = 45/2
100
Compares two numbers using division.
What is ratio
100
x / 6 = 5 / 3
What is 10
100
What is the ratio of girls to boys if there are 6 girls and 15 boys?
2 / 5
100
What percent of 75 is 60
What is 80%
200
x -5 = 45
50
200
Two ratios that are equal
What is proportion
200
(x + 5) / 6 = 5 / 3
What is 5
200
What is the ratio of girls to boys if there are 11 girls and 15 total students?
11 / 4
200
55 is 80% of what number?
What is 68.75
300
3x + 7 = 46
13
300
If two numbers are equal then you can add the same number to each side (name the property)
What is addition property of equality
300
(x - 4) / 9 = 2 / 7
What is 46/7 or 6 4/7
300
What is the ratio of soccer players to football if there are 110 total players and 72 football players?
19 / 36
300
What is 75% of 85
63.75
400
5x + 12 = 8x + 5
7/3
400
Numbers that have the same variable
What is like terms
400
(x + 5) / 6 = (x - 5) / 3
What is 15
400
Convert 336 inches into feet
28 feet
400
If you deposit $50 in a savings bond with 12% interest per year, how much money do you have after 4 years?
$74
500
6(x - 9) = 12
11
500
Starting amount when determine interest
What is principle
500
x / 9 = 5 / 45
What is 1
500
Convert 3 miles into kilometers
approximately 4.83
500
If you deposit $2500 in a savings bond with 19% interest per year, how much money do you have after 4 years?
$4400