6 and 12 are two common factors
Answer:
72.
Step-by-step explanation:
Given a group of 6, 9 and 12.
We are to determine the least number of patties that will be shared equally among the groups.
This we do by determine the Least common multiple of the three numbers.

Therefore, the least number of patties that can be shares equally among groups of 6, 9 and 12 is 72.
Answer: 35
Step-by-step explanation:
The formula to find this is number of terms/2(first term+last term)
So, we have 7 terms, our first is -4 and our last is 14
7/2(-4+14)=35
Answer:
$175
Step-by-step explanation:
If after a 20% discount, it cost $140, the $140 is only 80% of the cost.
So divide 140 by 4 then multiply the answer by 5 to get it back to 100%
140/4=35
35x5=175
Answer:
x = -19
Step-by-step explanation:
-10x - 19 = 19 - 8x
-10x + 8x = 19 + 19
-2x = 38
x = -19