Answer:
C) 84
Step-by-step explanation:
In the first box 5, and the second 4
We'll use the notation
for the principal value and
for all the values:

Part I


Part II. In our range we can write


Part III.

Part IV.


0.77 / 0.05 = 15.4 ...so we know it is 15 nickels
15 * 0.05 = 0.75.....0.77 - 0.75 = 0.02....with 2 pennies left over
ur answer is : 15 nickels and 2 pennies left over