Parking

120 vehicles parking on the morning. Pasenger car is charged 20 CZK, 50 CZK per bus. The guard collected for parking 2640 CZK in total. How many cars and how many buses stood in the parking?

Correct answer:

a =  112
b =  8

Step-by-step explanation:


a+b = 120
20 a + 50 b = 2640

a+b = 120
20•a + 50•b = 2640

a+b = 120
20a+50b = 2640

a = 112
b = 8

Our linear equations calculator calculates it.



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