Question

Lucy has 26 coins consisting of nickels and quarters amounting to $2.30. How many coins of each kind does she have?

Answer 1

Respuesta: Lucy has 21  nickels and 5 quarters.

Explicación paso a paso:

x - nickels

y - quarters

0.05x + 0.25y = 2.30

x + y = 26

Solving:

$x=21,\:y=5$

Lucy has 21  nickels and 5 quarters.