The ratio of blue marbles to yellow marbles in a jar is 7 to 9. If there are 28 blue marbles in the jar, how many yellow marbles are there?
PLEASE, GIVE ME A REAL ANSWER TO THIS QUESTION.
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OpenStudy (bibby):
There are 7 blue marbles for every 9 yellow
The ratio is being multiplied by 4.
OpenStudy (anonymous):
can i have the answer so i can check my work?
OpenStudy (bibby):
Tell me your answer and I'll check it with /my/ work
OpenStudy (anonymous):
i got 36.
OpenStudy (bibby):
Yeah. Same. High five.
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OpenStudy (anonymous):
are you sure its the right answer? :)
OpenStudy (bibby):
I totally graduated high school. I'll bet my life savings on this.
OpenStudy (anonymous):
it is....7/9 = 28/x
(9 x 28)/7 = 252/7 = 36
OpenStudy (anonymous):
thank you soooo much :)
OpenStudy (anonymous):
anytime :)
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OpenStudy (anonymous):
It's 36. because to find out how many times you need to times 7 to find 28 you divide it. 28 dived by 7 = 4. so it multiplies by four. so then you multiply 9 by 4 now. and you come up with 36!:)