Gloria's garden plot is one foot wider and three feet shorter than last year garden but has the same area. What were the dimensions of the garden last year?

6 answers

(x+1)(y-3) = xy
y-3x-3 = 0
y = 3(x+1)

possible solutions
Last year : this year
1x6 : 2x3
2x9 : 3x6
...
I don't know what it is. I'm trying to answer the question,dang it.
15 and 4
15*4=60
-3 +1=
12 and 5
12*5=60
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Thx for le answer lol