Question:
Tom has some $2 and $5 notes. He has twice as many $2 notes as $5 notes. He has $504 altogether. How many $2 notes does he have?
Solution:
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Empowering Students and Parents with Solutions
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A figure is formed by overlapping 2 identical rectangles, ABCD and WXYZ. The total area of the 5 identical shaded squares is 245 cm2.
ZC is a straight line.