Answer:
Step-by-step explanation:
Q1
39.99×6.5%=2.60
OPTION B
Q2
189.99×(1+4%)=197.59
OPTION C
Q3
63.45×15%=9.52
OPTION A
Q4
28.3×4%=1.13
OPTION C
Q5
30×(1+12%)=33.6
OPTION C
Q6
49×25%=12.25
OPTION B
Q7
55×30%=16.5
OPTION D
Q8
11.75×(1+6%)=12.46
OPTION C
Q9
16%=0.16
4/25=0.16
0.16=0.16
5/20=0.25 This is different from others
OPTION D
Hope this helps!! :)
Because you have lots of questions, I answered it in a simplified way.
Please tell me if you have any question or need further explanation