Use common denominators to determine whether the ratios form a proportion.
6 : 9 and 9 : 12
A.
Yes. They form a proportion.
B.
No. They do not form a proportion.
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OpenStudy (anonymous):
@Destinymasha
OpenStudy (anonymous):
they both can go into each other
OpenStudy (destinymasha):
tell me how...
OpenStudy (destinymasha):
[i didnt say u were wrong]
OpenStudy (anonymous):
idk
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OpenStudy (anonymous):
i not good at math
OpenStudy (anonymous):
:(
OpenStudy (destinymasha):
i don't think its a proportion.....
OpenStudy (destinymasha):
@Tellme2242
OpenStudy (anonymous):
Use division to determine whether the ratios form a proportion.
12 : 44 and 3 : 11
A.
No. They do not form a proportion.
B.
Yes. They form a proportion.
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OpenStudy (destinymasha):
yes--- 44 divided by 4 = 11 , and 12 divided by 4 = 3
OpenStudy (anonymous):
Which ratio can be used to form a proportion with the given ratio?
7 to 12
A.
8 to 13
B.
10 to 15
C.
14 to 19
D.
21 to 36
OpenStudy (destinymasha):
7/12 --- 7 x 3 = 21, and 12x 3 = 36 , so 7/12 = 21/36
OpenStudy (anonymous):
There are 4 boys and 6 girls in a singing group. The ratio of boys to girls on the debate team is proportional to the ratio of boys to girls in the singing group.
Which could be the number of boys and girls on the debate team?
A.
6 boys and 8 girls
B.
6 boys and 9 girls
C.
10 boys and 12 girls
D.
16 boys and 36 girls
OpenStudy (anonymous):
is it c?
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