Driving home from a meeting late one evening, Ming notices that her gas gauge is showing that a mere 1 of a tank remains. Luckily, just then she spots a
10
24-hour gas station. She has just enough money to add 20 litres of gas to the tank, bringing her gas tank up to 12 full.
(a) Given that the gas tank went from 1 full to 1 full, determine the fraction of 10 2
the tank filled by the gas that Ming added. Hint: Use equivalent fractions.
(b) The fraction of the tank you found in part (a) holds 20 L. How many litres
are there in 1 of a full tank? 10
(c) Given what you discovered in part (b), what is the full capacity, in litres, of Ming’s gas tank
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Assume that one early morning when the temperature is 10^(@)C a driver of an automobile gets his gasoline tank which is made of steel, filled with 75 L of gasoline, which is also at 10^(@)C Durign the day, the temperature rises at 30^(@)C how much gasoline will overflow ? (Given, alpha for steel = 1.2 xx 10^(-5)"^(@) C^(-1),gamma for gasoline = 9.5 xx 10^(-4)"^(@)C)
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