# Boys and girls

In the class are 20 boys and 5-times less girls. How many girls are in the classroom? How many all children are in the class?

Correct result:

x =  4
x+y =  24

#### Solution:

$x=20\mathrm{/}5=4$
$x+y=20+20\mathrm{/}5=20+4=24$

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