The answer is A
i think so but i might be wrong
sorry if i am.
28/7 =4
7•4 is 28 or
7+7+7+7 is also 28
The correct answer is 1 mm Hg per year.
In this equation, you have to treat the number in the bracket first on the basis of BODMAS
15 - [-3]- 4
Note that when two minuses come together the product is a plus sign.
15 +3 - 4
You have to add before you subract
18 - 4 =14
Therefore, 15- [-3] - 4 = 14.
5 is your answer . i hate permutations