B. Choose the best answer. Write the letter in the blank.
1. 85% of 60 is____
a. 54
b. 51
C. 41
d. 50
2. 180 is what percent of 240?
a. 75 %
b. 65%
C. 85%
d. 50%
3. 20 is 50 % of what number?
a. 80
b. 60
c. 30
d. 40
4. 125% of 40 is____
a. 50
b. 60
c. 42
d. 45
5.____is 45% of 200.
a. 90
b. 100
C. 80
d. 50​