Question 1084068
y, how many youths
x, adults


{{{system(y=15x,15y+25x=2250)}}}


Simplify the cost equation by multiplying each member by {{{1/5}}}:


{{{system(y=15x,3y+5x=450)}}}



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To solve, {{{3(15x)+5x=450}}} and go from there...