<PRE><B>Question 1111370</B>
p, pop/rock
t, tropical
u, urban-reggaeton


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total revenue,... amounted to $21 million. Pop/rock music brought in twice as much as the other two categories combined and $8 million more than tropical music. 
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The description and assigned variables give this system of equations:
{{{system(p+t+u=21,p=2(t+u),p=t+8)}}}



Substitute for p, and simplify:

{{{system(2t+u=13,t+2u=8)}}}

.
.
{{{system(u=1,t=6,p=14)}}}


14 million, pop/rock
6 million, tropical
1 million, urban</PRE>