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Mathematics, 16.04.2021 23:10 haltomnatnathan3548
4. Serenity is four years younger than twice her brother's age. Serenity is 18 years old. Which model and solution
best represents x, the age of Serenity's brother?
X7
-
JOOL
7
=
DOS
X=11
JE
COS
11
![ansver](/tpl/images/cats/User.png)
Answers: 2
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4. Serenity is four years younger than twice her brother's age. Serenity is 18 years old. Which mode...
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