Jamar has 18 nickels and 14 dimes in his piggy bank. select all the statements that are true about the relationship between the number of nickels and dimes in jamar’s piggy bank. a: for every 9 nickels in jamar's piggy bank, there are 7 dimes. b: for every 18 nickels in jamar's piggy bank, there are 32 dimes. c: the ratio of dimes to nickels is 14 to 32. d: the ratio of nickels to dimes is 18: 14.