On average, Sam’s truck will travel 57 miles per 2.5 gallons of gas. How many kilometers per liter of gas will the truck travel?
1 answer:
On average, Sam’s truck will travel 57 miles per 2.5 gallons of gas. How many kilometers per liter of gas will the truck travel?
Answer: First we have to find number of miles Sam's truck travel per gallon of gas.
Miles per gallon is:
We know that:
1 Mile = 1.609 km
1 liter = 0.264 gallon
Therefore, the number of kilometers per liter of gas the truck will travel is:
km/liter
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This equation is known as the equation for exponential growth/decay:
Since the car is worth no more than $1,900 when bought, we can rewrite the above equation as:
<u>a is the initial value, and b is the growth factor, x is the </u><u>amount of</u><u> time that passes.
</u>So, we can plug in all that information (it's negative because the car's value goes <em>down</em>):
<u>
</u>That's your final answer^.<u>
</u>
Since the car is worth no more than $1,900 when bought, we can rewrite the above equation as:
<u>a is the initial value, and b is the growth factor, x is the </u><u>amount of</u><u> time that passes.
</u>So, we can plug in all that information (it's negative because the car's value goes <em>down</em>):
<u>
</u>That's your final answer^.<u>
</u>