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16.11.2019 •
Mathematics
Charles is
15 years older than his sister barbara. in
12 years, he will be twice as old as barbara. how old is each of them now?
Solved
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Ответ:
Charles = 18
Barbara = 3
Step-by-step explanation:
Currently
Charles: x+15
Barbara: x
In twelve years
Charles: x+27
Barbara: x+12
Equation - Charles's age in twelve years will be double Barbara's age in twelve years. Using the information about, create the equation
x+27=2(x+12)
x+27=2x+24
x=3
Ответ:
idk but thanks for the points lol
Step-by-step explanation:
i will give someone free points and brainlest if u answer a question