10% of 120 = 12
12 x 7 = 84
70% = 84
120 x 70 = 8400
8400 / 100 = 84
It’s either showing you that both sides of the equation equal to the same thing or that you can find 70% of 120 by using the steps on the right
Is e just an algebraic expression or is it Euler's number (2.718...)?
If e is an algebraic expression then there it is
Answer: the answer is C. 52 square meters
It’s probably-67 on the top of my head