Answer:
20% of a is 11, what is a
a =55
75% of b is 12, what is b
b = 16
80% of c is 20, what is c
c = 25
200% of d is 18, what is d
d = 9
Step-by-step explanation:
20% of a is 11, what is a
20a = 1100
a =55
75% of b is 12, what is b
75b = 1200
b = 16
80% of c is 20, what is c
80c = 2000
c = 25
200% of d is 18, what is d
200d = 1800
d = 9
