Answer:

Step-by-step explanation:

<em>Replace it with y</em>

<em>Exchange the values of x and y</em>

<em>Solve for y</em>

<em>Subtracting 1 from both sides</em>

<em>Dividing both sides by 2</em>

<em>Replace it by </em>
So,

Answer:
A)-7
B)2
C)-2
D)-4
Step-by-step explanation:
Answer:
It's C) 53
Step-by-step explanation:
Answer:25
Step-by-step explanation:
Answer:
----- Banana
----- Almonds
---- Chocolate
Step-by-step explanation:
Let
banana
almonds
chocolate
So, we have:
--- total used
-- i.e. 6.52 * 100 --- total sales from 100 pounds

Required
The number of pounds of each (i.e. x, y and z)
Substitute
in 


Make x the subject

Substitute
in 



Substitute 


Collect like terms


Divide by 14

Substitute
in 



To calculate y, we have:


