Answer:


Step-by-step explanation:
Represent trees with T and wreaths with W
Given


Solving (a): Cost of W
Substitute 3 + 4 * W for T in the second equation


Collect Like Terms


Divide through by 6


Hence, each wreath costs $16
Solving (b): Cost of T

Substitute 16 for W



Hence, each tree costs $67
Answer:
Gradient is = 0.375
Step-by-step explanation:
Rise = 3
Run = 8
Answer:
-2x + 7 = x-32
7+32=x+2x
39=3x
x=39/3
x=13
Step-by-step explanation:
Answer:

Step-by-step explanation:
If the length of the square side is a units, then the area of the square is

In your case, the side length is

then the area is
