College

At the college are at 45 rooms, 158 students. Some rooms are triple and some quad. How many triple and quadruple rooms there is if it is all fully occupied?

Correct answer:

x3 =  22
x4 =  23

Step-by-step explanation:

45=x3+x4 158=3x3+4x4  x3=22 x4=23



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