Answer:
The answer would be £198
principal (p) = 2200
Rate (R) = 0.5%
Time (T) = 18
Interest(I) = ?
Now,
or, Interest. = P×T×R/100
or, Interest = 2200×18×0.5/100
or, Interest = 19800/100
Hence, Interest = 198
There all 9's therefore they all have the same value
I just did this a few seconds ago and the correct answer is 78. The check above the number is green which means its correct.
One way is to factor it
trial and error, with experience
(3x+5)(x-2)
answer is C