-2x(3x - 4) = 0 Write the equation in standard form.
1 answer:
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step 1
<u>Find the number of miles run by each bus in one day</u>
we know that
speed=distance/time
distance=speed*time
distance=(15 mi/h)*3 h=45 miles
<u>Find the number of miles run by the total buses in one day</u>
Multiply by 300
300*45=13,500 miles
<u>Find the number of miles run by the total buses in 22 days</u>
13,500*22=297,000 miles
step 2
<u>Find the number of gallons to run 297,000 miles</u>
we know that
the fuel economy of the buses is 10 mi/gal
so
by proportion
step 3
<u>Find the cost of 29,700 gal of gasoline</u>
we know that
the gasoline costs $4.10 per gallon
then
29,700*4.10=$121,770
therefore
<u>the answer is</u>
the cost of the gasoline is $121,770