Answer:
option (a) is correct.
2 + m - 1 + m is an equivalent expression to the given expression 3m+1-m
Step-by-step explanation:
Given expression 3m+1-m
We have to choose an equivalent expression from given options.
Equivalent expression are those expression that looks different but are same.
Like 4+2 = 6 and 3+ 3 = 6
Both have same value but looks differently.
Like terms are term having same variable with same degree.
Consider the given expression 3m+1-m
Simplify by adding like terms,
3m + 1 - m = (3-1) m + 1
Thus, (3-1) m + 1 = 2m + 1
Also 2m + 1 can be written as m + m + 2 - 1
Thus, option (a) is correct.
Answer:
0.4 of the chocolate bar.
Step-by-step explanation:
Answer:
The number of hamburgers sold was 139 and the number of cheeseburgers sold was 278.
Step-by-step explanation:
Let
x -----> the numbers of hamburgers sold on Thursday
y -----> the numbers of cheeseburgers sold on Thursday
we know that
----> equation A
----> equation B
Substitute the equation B in equation A and solve for x
![x+2x=417](https://tex.z-dn.net/?f=x%2B2x%3D417)
![3x=417](https://tex.z-dn.net/?f=3x%3D417)
![x=139](https://tex.z-dn.net/?f=x%3D139)
Find the value of y
![y=2(139)=278](https://tex.z-dn.net/?f=y%3D2%28139%29%3D278)
therefore
The number of hamburgers sold was 139 and the number of cheeseburgers sold was 278.
Answer:
the secound one
Step-by-step explanation: