I really need help please on this assignment i would appreciate it and will give brainliest!!!
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1) let the width of the rectangle X
given :
l = 3x
b = X
perimeter of rectangle = 36cm
2(l+b) = 36
2(3x + X ) = 36
4x = 36 / 2
X = 18 /4
X= 4.5 cm
hence, b = 4.5 cm and l = 3 ×4.5 cm = 13.5cm
2)
For Nancy:A=425+25n
For Seamus:a =875-15n
when their amounts are equal
425+25n=875-15n
40n=875-425
40n=450
n=11.25
They will both have the same amount 1/4 of theway into the 12th week
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