Answer:
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Step-by-step explanation:
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6.40x+9.90(154-x)=1230.90
Solve for x
X=84 for child
154-84=70 for adults
Answer : I need a graph or something
A, because 59-56= 3.
Others are distributed on a larger scale. 11-6=5 for B, 6-0=6 for C, 8-1=7 for D