Can anyone solve the 12th question

Can anyone solve the 12th question 12. The adjoining diagram shows two cross paths drawn inside a rectangular field 45 m long 38 m wide, one parallel and the other parallel to breadth. The •hdth of each path is 4 m. Find the cost of gravelling the paths at 5-60 13. A rectangle of area 144 cm2 has its length equal to x cm. Write down its breadth in of r. Given that its perimeter is 52 cm. write down an equation in x and solve it to the dimensions of the rectangle. 18 ' •r

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