Question

The figure above shows a store’s supply-demand graph for coffee makers. If the store sells $375 worth of coffee makers, which of the following is a valid possible price for them?
a.
$15
b.
$25
c.
$40
d.
$55

Answer 1

Revenue = price × quantity. From the graph at price \$25 the store sells 15 coffee makers, and \$25 × 15 = \$375.

Answer: b. \$25