Answer:
7.51, 3.49, 1.371, 0.1371
Explanation:
q1. a - 2.01 = 5.5
a = 5.5 +2.01 ( both sides add 2.01 )
=7.51
q2. b+2.01 =5.5
b=5.5-2.01 (both sides subtract 2.01)
=3.49
q3. 10c=13.71
c=13.71÷10 (divide both sides by 10)
=1.371
q4. 100d=13.71
d=13.71÷100 (divide both sides by 100)
=0.1371