Circus

On the circus performance was 150 people. Men were 10 less than women and children 50 more than adults. How many children were in the circus?

Result

d =  100

Solution:


d+m+z = 150
m = z-10
d = 50+m+z

d+m+z = 150
m-z = -10
d-m-z = 50

d = 100
m = 20
z = 30

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