Mathematics
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OpenStudy (anonymous):
I need help with ratios
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OpenStudy (anonymous):
the problem is
OpenStudy (paki):
yeah
OpenStudy (anonymous):
12 yd to 20 ft
OpenStudy (paki):
1 yard is equal to 3feets....
OpenStudy (anonymous):
So do 1 times 20
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OpenStudy (paki):
so 12 yards will be eqaul to how many feets....?
OpenStudy (anonymous):
36
OpenStudy (paki):
good... now write it in ratio form....
OpenStudy (anonymous):
12:36
OpenStudy (paki):
yup then what will be the simplified form.... 12/36 = ...?
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OpenStudy (anonymous):
3
OpenStudy (anonymous):
so the answer is 3:5
OpenStudy (paki):
no...
OpenStudy (paki):
1:3...
OpenStudy (paki):
12*1 = 12
12*3 = 36..... got it now...
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OpenStudy (anonymous):
But on my test those are not the options
OpenStudy (anonymous):
The options are:
5:9
3:5
5:3
9:5
OpenStudy (paki):
these options are wrong ... its 1:3....
OpenStudy (anonymous):
But my test is never wrong I do not know what to do
OpenStudy (anonymous):
Did you simplify
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OpenStudy (anonymous):
Use a ratio to compare the values. Simplify the ratio.
12 yd to 20 ft
That's the problem.
OpenStudy (paki):
12 yr = 36 ft
12/36 = 1:3
OpenStudy (anonymous):
never mind can you help me with a different problem?
OpenStudy (anonymous):
The conservation club has 32 members. There are 18 girls in the club.
What is the ratio of girls to boys in simplest form?
OpenStudy (paki):
18 girls...so there will be 14 boys.... ok...
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OpenStudy (anonymous):
ok
OpenStudy (paki):
so write it in ratio form... and simplify....
OpenStudy (anonymous):
0.78
OpenStudy (paki):
18/14 = 9/7
OpenStudy (anonymous):
so the answer is 9/7
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OpenStudy (paki):
yeah