Question

17. The cost of painting a rectangular metal sheet is square of its area. If the length and breadth of the
the rectangle are 2xy and 3x y, find the cost. Given that area of a rectangle is the productos
length and breadth.

18. Ravish covers 3xy centimetres in one step. What is the distance moved by him in 2x
minutes, if he takes xy steps in one minute

19. Aarushi spends x daily and saves y per week. How much money she saves in
weeks?

20. One ball pen costs x and one fountain pen costs y. Find the cost of y ball pens and x
fountain pens​

Answer 1

Answer:

Step-by-step explanation:

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