I am not to sure but I think that it is 111.804 inches^3 I hope I am right if not I am really sorry.
Answer:
v See below. v
Step-by-step explanation:
LM = MN
11x - 21 = 8x + 15

x = 12
LM = 11(12) - 21 = 132 - 21 = 111
MN = 8(12) + 15 = 96 + 15 = 111
LN = 111 + 111 = 222
No, because if you add it up all together her recipe does not call for 20 cups.
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