1.9 an electronics store buys media from customers
to resell. the store pays one customer $5.30 for one
blu-ray disc, four dvds, and three vhs cassettes, a
second customer $11.50 for five blu-ray discs and
two dvds; and a third customer $10.20 for two blu-
ray discs, eight dvds, and two vhs cassettes. find
the amount the store pays for each item.