A car dealership has 40 cars on the lot, 15% of which are silver. If the dealership receives a new shipment of 80 cars, 30% of which are not silver, what percentage of total number of cars are silver?
Answers
A) 20%	B) 25%	C) 30%	D) 35%	E) 40%
The number of silver cars is 0.15*40 + 0.3*80= 
<gadget id="calculator">0.15*40 + 0.3*80</gadget>
<output>30</output>
30   The percentage of cars which are silver is 30/120= 25%   The answer is 25%.
<result>B</result>
A car dealership has 40 cars on the lot, 15% of which are silver. If the dealership receives a new shipment of 80 cars, 30% of which are not silver, what percentage of total number of cars are silver?