### Home > CC3MN > Chapter 10 > Lesson 10.4.2 > Problem10-136

10-136.

Thirty coins, all dimes and nickels, are worth $\2.60$. How many nickels are there?

Write two equations. One for the total number of coins and one for what the amount of coins are worth.
$d=$ dimes, $n=$ nickels

$22$ dimes and $8$ nickels.