Question

Agnes has 23 collectible stones, all of

which are labradorite crystals or galena
crystals. Labradorite crystals are worth
$20 each, while galena crystals are
worth $13 each. Agnes earns $439 by
selling her entire collection. How many
stones of each type did she sell?

Answer 1

The answer is she sold 20 labradorite crytals and 3 galena crystals.

Explanation:

First you times 20 x 20 and get 400 and then times 13 x 3 and get 39 and 400 plus 39 equals $439.