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four times the width of the rectangle is three less than three times the length. the perimeter is 30 cm. find the width and length of the rectangle.

Length=9 and width =6

Step-by-step explanation:

4w=3L-3

2L+2w=30

Dividing both sides of the second equation by 2

L+w=15

Subtracting w from both sides

L=15-w

Substituting in the first equation

4w=3(15-w)-3

4w=45-3w-3

7w=42

W=6

Substituting the value of w in the first equation

4(6)=3L-3

24=3L-3

27=3L

L=9

6(h+1)/2=a

a=area

step-by-step explanation:

its the same thing as a square or rectangle but after multiplying two sides you need to divide it by two.

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