Proportion
Percent
Ratio
Ratios and Geometry
100
What does the proportion 8 over 10 equals x over 16 look like?
8/10 = x/16
100
5 is what percent of 10?
50%
100
What is an equivalent ratio of 3 to 7?
6 to 14
100

The ratio of two supplementary angles is 4:5.  What is the measure of each angle?

4x+5x=180

9x=180

x=20

80 and 100 degrees

200
Solve the proportion: 6/8 = 18/x
x = 24
200
18 is what percent of 104?
17.3%
200
What is the decimal value to the nearest hundredth of this ratio: 39/83
.47
200

The ratio of two complementary angles is 3:6  What is the measure of each angle?

3x+6x=90

9x=90

x=10

30 and 60 degrees

300

Solve the proportion: 42/49 = 36/x

42

300
97 is what percent of 243?
39.9%
300
What are the three ways to write the ratio 4 to 9?
4 to 9 4:9 4/9
300

Two complementary angles measure 40 and 50 degrees respectively.  What is the ratio of their measurement?

40:50

4:5

400
Solve the proportion: 24/x = 168/7
x = 1
400
100 people like movies while 56 people like TV shows. What percent of people like movies?
64%
400
19 boys for every 24 girls. Is this part-to-part, or part-to-whole?
part-to-part
400

The ratio of the angles in a triangle are 2:3:4.  What is the measure of each angle?

2x+3x+4x = 180

9x=180

x = 20

40, 60, and 80 degrees.

500
126/567 = x/2268
x = 504
500
10,542 kids prefer blue while 8,436 prefer green. What is the percent of kids that prefer green?
44.5%
500
Emma has 32 dolls, 12 are blonde and the rest are brunettes. What is the ratio of blonde to brunette dolls?
12:20
500

The perimeter of a square is 36m.  What is the ratio of the perimeter to area of this square?

P = 36

36/4=9

A = 92 =81

36/81 =4/9

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