R = 3/91 since 3/7 is equal to .42857 and 13 divided by .42857 is 3/91.
Answer:
21
Step-by-step explanation:
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For one it would be the mass because liquid isn’t measured in grams
1. doesn’t have a gcf because there’s no number that can be evenly divided and not all of them have an x.
2. x because all the number each of them can be divided by x. The gcf can’t be anything higher, such as 2x, because 3x can’t be divided by x^2 as there’s only one x.