Answer:
See explanation
Step-by-step explanation:
6/4 = 1.5
10/4 = 2.5
Therefore the sequence is 1, 1.5, 2.5, 3
So the common difference is either 0.5 or 1
Answer:
25 shelves
Step-by-step explanation:
The number of shelves he can make is basically the total amount of wood he has divided by the amount of wood it takes per shelf.
Given in the problem:
Total Amount of Wood = 15 meters
Wood Amount needed per Shelf = 3/5
Hence,
Number of Shelves = 15 divided by 3/5
Note: dividing by a fraction means multiplying by its reciprocal (upside down version)
We show the division below:
Number of Shelves = 
So Tom can make 25 shelves
Answer:
Step-by-step explanation:
it's really long to write it this web page could help understand system of equations. "https://study.com/academy/lesson/types-of-systems-of-equations.html"
the answers are :1-3 , 2-5. 3-4. 4-5 .
19-4c=17
-4c=17-19
-4c=-2
c=-2/-4
c=0.5
or
c=1/2
Number 2 I believe
I need this in school