Answer:
12.65
Step-by-step explanation:
Answer:
(B)-x-(-x) =0
Step-by-step explanation:
<u>Option A</u>
Our equation is: -x +0+(- x) = 0
Left Hand Side:
-x +0+(- x) = -x-x=-2x

<u>Option B</u>
Our equation is: -x-(-x) =0
Left Hand Side:
-x-(-x) =-x+x=0

Therefore, the equation in Option B is true.
Answer:
x - 5y
Step-by-step explanation:
2 ( 5x - y ) - 3 ( 3x - y )
= 10x - 2y - 9x + 3y
= 10x - 9x - 2y + 3y
= x - 5y ( ANS )
Answer: Please view the picture below
Step-by-step explanation:
This material should not be too difficult. Please study more. :)
Answer:
Amount of flour in the bag when Mary began = 
Step-by-step explanation:
Given:
Number of baked loaves of bread made from flour = 4
Number of muffins made from flour = 48
To find: Amount of flour in the bag when Mary began
Solution:
Let x denotes amount of flour used to make one baked loave of bread and y denotes amount of flour used to make one muffin.
So,
Amount of flour used to make 4 baked loaves of bread = 4 x
Amount of flour used to make 48 muffins = 48 y
Amount of flour in the bag when Mary began = 