1)d=5.03894 and A is the decimal expression for d rounded to

1)d=5.03894 and A is the decimal expression for d rounded to the nearest thousandth.question:the number of decimal places where d and A differ
2)to reproduce an old photograph,a photographer charges x dollars to make a negative,3x/5dollars for each of the first 10 prints,and x/5 dollars for each print in excess of 10 prints,if 45dollars is the total charge to make a negative and 20 prints from an old photograph,what is the value of
A3
B3.5
C4
D4.5
E5