Aidan has $65 in his bank account. His brother Michael also has a bank account. They want to calculate the amount of money in bo
1 answer:
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Answer:
Step-by-step explanation:
Given : The fuel efficiency of car = 7.6 km per kilogram
We also given that
1 mile = 1.609 km
Then,
1 gallon = 3.785 liters
1 liter of gasoline = 0.729 kg
Then,
Now, the fuel efficiency of car will be :
Hence, the car’s fuel efficiency in miles per gallon= 4.5
Answer:
(x) =
Step-by-step explanation:
let d(x) = y and rearrange making x the subject, that is
2x - 4 = y ( add 4 to both sides )
2x = y + 4 ( divide both sides by 2 )
x =
Change y back into terms of x, so
(x ) =