Answer :

Astute
Hello there,

So what we need to find how many number of costumes that can be made using ONLY 11[tex] \frac{1}{4} [/tex].

The first thing we would do is [tex] \frac{3}{4} [/tex]÷11[tex] \frac{1}{4} [/tex]. 

Your answer this this would be [tex] \frac{1}{15} [/tex].

To recheck this. . . We do [tex] \frac{1}{15} [/tex] x [tex] \frac{3}{4} [/tex]. . .

Your answer would be 11[tex] \frac{1}{4} [/tex].

That is how you recheck your work.

Your correct answer would be [tex] \frac{1}{15} [/tex]

Hope this helps! :)
musiclover10045

turn 11 1/4 into an improper fraction:

11 1/4 = 45/4

 now you have 3/4c = 45/4

now divide both sides by 3/4

c = 45/4 / 3/4 which =  45/4 * 4/3 = 180/12 = 15

15 costumes can be made

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