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103-P4-2

3. It rained for 12 minutes and the river level was measured to be 84 mm. What was
the river level in cm when it rained for 7 minutes?

4. If you put 24 weights on the left and 3 weights on the right, the balance scale is
balanced. Find how many more weights you need to put on the left if you put 5
more weights on the right.
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