Question

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Answer 1

Answer:

len = 35

width = 25

Step-by-step explanation:

3x-y = 2x+y

1) x-2y = 0

9x -6= 120

x = 14

y = 7

Answer 2

Answer:

Length = 2x+y cm and since it's a rectangle,

2x+y=3x-y ---------------- (i)

width = 2x-3 cm

It's perimeter,

2(2x+y+2x-3)=120 ---------------- (ii)

Solving both equations,

x = 14 cm

y = 7 cm

so length is, 2×14+7 = 35 cm

and width is, 2×14-3 = 25 cm

so area will be, 35×25 = 875 cm²

Answered by GAUTHMATH