litzy9506
09.03.2021 •
Mathematics
The population of Casselberry is expected to increase by 4% next year. If p represents Casselberry’s population this year, which of the following expressions represents the expected population next year?
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Ответ:
x=6/7 and y=18/7
Step-by-step explanation:
If y = 3x and 2x + 4y = 12,
then substitute the value of y with 3x
2x + 4(3x) = 12
2x+12x=12
14x=12
x=12/14=6/7
y=3x=3*(6/7)=18/7