Answer:
- C.8:15
- A.1 to 2
- B.9 to 6
- C.21:28
- A.1:2
- D.2:13
- C.3:5
- D.18:16
- B.3:9
- C.I and IV
Step-by-step explanation:
1. all ratios are 8 to 15 except C.
2. (the number of shirts)1 to (the number of pants)2 so 1 to 2
3. (the number of stars)9 to (the number of balloons)6 so 9 to 6
4. 15:20 in simplest form is 3:5
so we need to find what in the following ratios are equal to 3/5
5:10=1:2 NO
18:25=18:25 NO
21:28=3:5 YES
24:30=4:5 NO
5. In the word NUMBER the vowels are 2(U AND E) while the consonants are 4(N, M, B, R) SO 2:4 in lowest form is 1:2
6. 16 to 120 are left-handed so how many students are righthanded to find that subtract:120-16=104 so 104 are right-handed, then 16:104 in lowest term is 2:13
7. (number of shaded squares)9 to (the total squares)15 so 9:15 in lowest terms is 3:5
8. to find the equivalent ratio of 9:8 try to find the simplest form of the following:
5:4=5:4 NO
6:4=3:2 NO
12:9=4:3 NO
18:16=9:8 YES
9. to find the ratio that is not equivalent to others try to simplify the following ratios:
2:7=2:7
3:9=1:3
4:14=2:7
6:21=2:7
therefore,3:9 are not equivalent among the following
10. Obviously,5:4 and 4:5 are not equal so try 15:25 and 3:5,15:25 in simplest form is 3:5 so 3:5 and 3:5 are equal
A ratio is a comparison of two quantities.
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