Negative 1/20 is the answer
The rule of product states that:
So, a product is positive if and only if both factors have the same sign, and is negative if only if the factors have opposite sign.
87 and 93
45 and 135
74 and 106
Answer:
Please see attached picture for full solution.
It takes 48 hours if 12 people built the same wall.
Please see the attached picture for full solution
Hope it helps
Good luck on your assignment