Select the correct answer. david and gino each have coins with the same total value. david has a mixture of nickels and dimes, and he has 8 more nickels than he has dimes. gino only has nickels, and he has 20 more nickels than david. what is the value of david's coins?
a. $1.50
b. $1.90
c. $0.55
d. $1.45
