Hostel

Students are accommodated in 22 rooms. Rooms were 4 and 6 bed.
How many rooms in which type occupied 106 children there?

Correct result:

x4 =  13
x6 =  9

Solution:

106=4x+6y 22=x+y  106=x(46)+622 x=10662246=13
y=22x=9



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