Question

The Seattle Mariners played their first game at their
new baseball stadium on July 15, 1999. The stadium features
Internet kiosks, a four-story scoreboard, a retractable roof,
and dozens of espresso vendors. Suppose a vendor sells
216 regular espressos and 162 large espressos for a total of $783
at a Monday night game.
a.
On Thursday, 248 regular espressos and 186 large espressos were
sold. Is it possible that the vendor made $914 that day? Explain.
b.
On Saturday, 344 regular espressos and 258 large espressos were
sold. Is it possible that the vendor made $1247 that day? Explain.