Answer:
l = 6.00
Step-by-step explanation:
So A = l x w and P = 2l + 2w, they say they are equal to l (w) = 2l + 2w and we know that w = 3 so
3l = 2l + 2(3), so l = 6.
Answer is C
Each additional year of
Number of shirts a department store bought = 200
Cost price of 200 shirts = $5400
Cost price of 1 shirt :


Thus, the cost price of one shirt = $27
Price at which the department store sold each shirt = $30
Which means :
▪︎Cost price of shirt = $27
▪︎Selling price of shrit = $30
Since selling price is greater than cost price, there was a markup in the price of the shirts.
We know that :

Markup percentage in the price of the shirts :





Thus, the percentage of markup = 
Therefore, the percentage of markup in the shirt's price = 