Unoccupied 2336

The swallows flew in and sat on the benches, one swallow on each bench, while one swallow did not miss an empty bench. If two swallows sat on each bench, one bench would remain unoccupied. How many swallows were there, and how many benches?

Correct answer:

x =  4
y =  3

Step-by-step explanation:


x=y+1
x/2 = y-1

x-y = 1
x-2y = -2

Row 2 - Row 1 → Row 2
x-y = 1
-y = -3


y = -3/-1 = 3
x = 1+y = 1+3 = 4

x = 4
y = 3

Our linear equations calculator calculates it.



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