Answer:
n = 3
Step-by-step explanation:
Given
5 + 8n = 7(- 7 + 4n) - 6 ← distribute parenthesis on right side
5 + 8n = - 49 + 28n - 6 ( subtract 28n from both sides )
5 - 20n = - 55 ( subtract 5 from both sides )
- 20n = - 60 ( divide both sides by - 20 )
n = 
= 3
1/6 of the shingles/ 2 stacks= 1/12 of the shingles/stack.
There will be 1/12 of the shingles in each stack~
Answer:
Step-by-step explanation:
This is just a big multiplication, but it gets more simple when you break it into steps.
First consider 
. This multiplies out to 
Next, 
. This is 
Finally, 
. This is 
Sum these three expressions together and you get
Answer:
Step-by-step explanation:
It is the 2nd one.
2nd one. makes more scence
