She has 64 cups
1 gallon is 16 cups
1/3
3/9
4/12
are equivalent to 2/6
(5)(6)(8) = 240
240 blocks in one box.
(240)(3) = 720
720 blocks in three boxes
Answer:

Step-by-step explanation:
If the <em>angle of elevation</em> is congruent in both triangles, then both smaller legs are congruent.
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