L 3. Three cookies have a total weight of 18.49 grams. If two of the cookies have a combined weight of 11.6 grams, what is the weight of the third cookie?

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Jiang Xiang asked Aug 13, 2023

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40 votes

L

3.
Three cookies have a total weight of
18.49 grams. If two of the cookies
have a combined weight of 11.6 grams,
what is the weight of the third cookie?

Mathematics
high-school

Jiang Xiang asked Aug 13, 2023

by Jiang Xiang

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1 Answer

19 votes

x + y + z = 18.49

x + y = 11.6

z = 18.49 - 11.6

z = 6.89 grams

Rami Jarrar answered Aug 20, 2023

by Rami Jarrar

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