Question

percentage decrease in the
Worked
Example
7
(More Complicated Problem involving Percentage Changes)
The cost of a piece of furniture consists of the cost of
wood at $300, the cost of paint at $200 and wages at
$200. If the costs of wood and paint are increased by
12% and 7% respectively, while wages are decreased by
10%, calculate the percentage increase or decrease in
the cost of the furniture.​

Answer 1

Answer:

plz I don't understanding anything