Question 1015140
Robert has 17 coins in nickels and dimes in his pocket.they total $1.10. Write a system of equations that can be used to dertimine the number of nickels and the number of dimes robert has.
=====================================================
Same problem, different numbers.
------
30 coins, all dimes and nickles, are worth $2.60. How many nickels are there?
 ----------
 n + d = 30
 5n + 10d = 260