Reggie has $36.40 in nickels and $36.40 in dimes. What is the ratio of the number of nickels to the number of dimes that Reggie has?
A
1:1, because the dollar totals of both coins are the same

B
1:2, because a dime is worth twice as much as a nickel

C
1:5, because a dime is worth 5 cents more than a nickel

D
2:1, because a dime is worth twice as much as a nickel