Foot in bus

It was 102 people on the bus. 28 girls had two dogs. A 11 girls had one dog.
At the next stop seceded 5 dogs (even with their owners). They got two boys together with three dogs. The bus drove one driver.
How many foot were in bus?

Correct result:

n =  458

Solution:

a=1025+2=99 d=28 2+11 15+3=65  n=2 a+4 d=2 99+4 65=458



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