Accommodated 15223

A total of 17 pupils are accommodated in 5 rooms in the dormitory. Some rooms are triple, some quadruple. Determine how many pupils are accommodated in triple rooms.

Correct answer:

x =  9

Step-by-step explanation:

x/3+y/4=5 17=x+y  4x+3y=60 x+y=17  Row241 Row1Row2 4x+3y=60 0.25y=2  y=0.252=8 x=4603y=4603 8=9  x=9 y=8



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