Ken has recently started saving his spare change. In his piggy bank, he has $1.65 that consists of nickels and dimes. The number of nickels is one more than two times the number of dimes. Find how many of each coin he has
number of dimes ---- x
number of nickels ---- 2x + 1
value of coins:
10x + 5(2x+1) = 165
10x + 10x + 5 = 165
take over