if
A is the matrix shown,
X is (a,c,s)T
B is (2715,2613,2412)T
then solve AX=B in any of the usual ways.
Tickets for a concert were sold in three categories:
adult, child, and senior citizen. For each type, the num-
ber of tickets sold for the three performances is shown in
the matrix. The box office receipts were $2715 for Friday,
$2613 for Saturday, and $2412 for Sunday. Find the cost
of each type of ticket.
Child Adult Senior
Friday [35 120 15]
Saturday [22 124 12]
Sunday [58 96 6]
1 answer
1 answer