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3. There are 36 square-shaped tiles that are pieced together. Each square tile has a

length of 4 1 cm. Write the steps for solving the problem to find the area of the
3

tiles in cm2.

4. The weight of 10 apples is 3 1 kg. A pear is 1 2 kg heavier than an apple. What
5 3

is the total weight of 20 apples and 20 pears?
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