contestada

Billy has 150 Star Wars action figures. The figures made in 1977 sold for $20 each
and the figures sold in 1999 sold for $12 each. He made a total of $2,560. How many
of each type were there?
pls help

Respuesta :

your two equations would be:
150 = x + y
2560 = 20x + 12y
after solving,
95 for $20
55 for $12