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OpenStudy (anonymous):
In a theather, the ratio of boys to girls is 3: 4 (this means 3 boys for every 4 girls). If there are 24 boys in the theater, how many girls are in the theater ?
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OpenStudy (amistre64):
3:4 *8 24:g ; g has to be 32
OpenStudy (anonymous):
How did you get 8 ?
OpenStudy (amistre64):
becasue it says its a ratio of 3:4 and that 3 turns into 24 tells me they scaled it by 8
OpenStudy (amistre64):
|dw:1316898805930:dw|
OpenStudy (anonymous):
thank-you !
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OpenStudy (amistre64):
youre welcome
OpenStudy (anonymous):
we can equate ratio's 3 / 4 =24 / x ; let consider x = number of girls so x=( 24 * 4 / 3) = 32
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