A parking lot contains $140$ vehicles. Each vehicle is either a car or a truck, and each vehicle is either red or green. $60$ vehicles are red, and $100$ vehicles are cars. If there are $8$ green trucks, then how many red cars are there?

36

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28

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38

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Solution

The correct option is B $28$
Total number of vehicles $= 140$
There are $60$ red vehicles.
Thus, rest $80$ are green vehicles.
Also, $8$ are green trucks then, we have
number of green cars $= 80 - 8 = 72$
Given, number of cars $= 100$
Therefore, number of red cars $= 100 - 72 = 28$

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A parking lot contains 140 vehicles. Each vehicle is either a car or a truck, and each vehicle is either red or green. 60 vehicles are red, and 100 vehicles are cars. If there are 8 green trucks, then how many red cars are there?

The correct option is B 28Total number of vehicles =140 There are 60 red vehicles. Thus, rest 80 are green vehicles. Also, 8 are green trucks then, we have number of green cars =80−8=72 Given, number of cars =100 Therefore, number of red cars =100−72=28

A parking lot contains $140$ vehicles. Each vehicle is either a car or a truck, and each vehicle is either red or green. $60$ vehicles are red, and $100$ vehicles are cars. If there are $8$ green trucks, then how many red cars are there?

The correct option is B $28$
Total number of vehicles $= 140$
There are $60$ red vehicles.
Thus, rest $80$ are green vehicles.
Also, $8$ are green trucks then, we have
number of green cars $= 80 - 8 = 72$
Given, number of cars $= 100$
Therefore, number of red cars $= 100 - 72 = 28$