My guess is D but dont consider it as answer.
The value in cents of n nickels: 5n
The value in cents of d dimes and p pennies: 10d + p
The value in cents of w dollars: 100w
The next whole number following a whole number w: w + 1
2/3 + 1/2 is 7/6
Hope this helps!
X=64 how you not know that?
