Which decimal is less than 3.19 A. 3.179 B. 3.2 C. 3.291 D. 3.1911
2 answers:
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Let
x---------> represent the number of miles Troy's has driven
y--------> represent the amount of gas in Troy's truck
we know that
the equation that represents the amount of gas, y, in troy' s truck after driving a certain number of miles, x is
where
m is the slope--------->
in this problem the slope is equal to
it's negative because the tank is going to be consumed
assuming he starts with a full tank
substitute in the formula above
therefore
the answer is
the equation
Total money that will be in the account in 10 years = 45000
Time period = 10 years
Rate of interest = 5% or 0.05
n = 12 (number o times the money is compounded)
Let the principal (p) be = x
Formula for compound interest =
Putting the values in the formula we get,
Hence, the principle amount should be approximately $27881.