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Sagot :
legnth/width for square = x
width of rectangle= x-10
legnth of rectangle=x+25
so (x-10)+35=2x+25 which is the first part
part two
the perimiter of rectangle floor =130
perimiter= 2width+2legnth so 130/2=width+height
width=x-10 and legnth=x+25 so
x-10+x+25=130/2
2x+15=75
minus 15 from both sides
2x=60
divide by two
x=60 which is legnth/width of the square, but we want the legnth and width of the rectangle so
x-10=width=50
x+25=legnth=85
so the number of tiles on the floor is 50 times 85 which is 4250 tiles
width of rectangle= x-10
legnth of rectangle=x+25
so (x-10)+35=2x+25 which is the first part
part two
the perimiter of rectangle floor =130
perimiter= 2width+2legnth so 130/2=width+height
width=x-10 and legnth=x+25 so
x-10+x+25=130/2
2x+15=75
minus 15 from both sides
2x=60
divide by two
x=60 which is legnth/width of the square, but we want the legnth and width of the rectangle so
x-10=width=50
x+25=legnth=85
so the number of tiles on the floor is 50 times 85 which is 4250 tiles
legnth/width for square = x
width of rectangle= x-10
legnth of rectangle=x+25
so (x-10)+35=2x+25 which is the first part
part two
the perimiter of rectangle floor =130
perimiter= 2width+2legnth so 130/2=width+height
width=x-10 and legnth=x+25 so
x-10+x+25=130/2
2x+15=75
minus 15 from both sides
2x=60
divide by two
x=60 which is legnth/width of the square, but we want the legnth and width of the rectangle so
x-10=width=50
x+25=legnth=85
so the number of tiles on the floor is 50 times 85 which is 4250 tiles
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