Determining a Ratio
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What is a ratio? A ratio is the way we can determine how one number is related to another number. A ratio may be written as “A:B” or A/B. It can also be phrased as “A to B”.
If you are given two numbers to determine, such as, what is the ratio of 24 to 48, you will need to divide both numbers by their greatest common factor. In this case, the greatest common factor is “8” so we would write it as follows:
24 ÷ 8 = 3
48 ÷ 8 = 6
The answer would then be stated: The ratio of 24 to 48 is 3:6
6 ÷ 2 = 3
10 ÷ 2 = 5
The ratio of 6 to 19 is 3:5. Answer (d) is the correct answer
24 ÷ 8 = 3
32 ÷ 8 = 4
The ratio of 24 to 32 is 3:4. Answer (b) is the correct answer
121 ÷ 11 = 11
66 ÷ 11 = 6
The ratio of 121 to 66 is 11:6. Answer (a) is the correct answer
25 ÷ 5 = 5
75 ÷ 5 = 15
The ratio of 25 to 75 is 5:15. Answer (b) is the correct answer
100 ÷ 50 = 2
150 ÷ 50 = 3
The ratio of 100 to 150 is 2:3. Answer (a) is the correct answer
9 ÷ 9 = 1
81 ÷ 9 = 9
The ratio of 9 to 81 is 1:9. Answer (c) is the correct answer
14 ÷ 7 = 2
21 ÷ 7 = 3
The ratio of 14 to 21 is 2:3. Answer (c) is the correct answer
15 ÷ 5 = 3
20 ÷ 5 = 4
The ratio of 15 to 20 is 3:4. Answer (c) is the correct answer
12 ÷ 6 = 2
36 ÷ 6 = 6
The ratio of 12 to 36 is 2:6. Answer (a) is the correct answer
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12 ÷ 12 = 1
144 ÷ 12 = 12
The ratio of 12 to 144 is 1:12. Answer (d) is the correct answer