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OpenStudy (anonymous):
After you put 8 gallons of gas into an empty tank, the gas gauge reads 2/3 full. What is the capacity of the tank?
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OpenStudy (anonymous):
well what is 2/3 in decimal
OpenStudy (anonymous):
0.666666667
OpenStudy (mathstudent55):
The capacity of the tank is unknown, so let's choose a variable to represent it. Let's call the capacity of the tank x.
OpenStudy (mathstudent55):
When the tank is 2/3 full, it has (2/3)*x amount of gas in it.
OpenStudy (mathstudent55):
We know that the tank is 2/3 full when it has 8 gallons of gas, so (2/3)x = 8
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OpenStudy (anonymous):
|dw:1387394150589:dw|
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