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Réponse : j'ai demander à une ia et j'ai vérifier après dans mes cours de ses, c'est juste, je ne sais pas si tu veux recopier ces Reponses mais voila
Explications : To find out the selling price needed to make a 30% profit, let's first calculate the cost price of the article:
Given:
Selling price = $660
Profit percentage = 20%
Let's denote the cost price of the article as CP.
Profit = Selling Price - Cost Price
Profit = 20% of CP
We know,
Profit = Selling Price - Cost Price
20% of CP = $660 - CP
Now, let's solve for CP:
20/100 * CP = 660 - CP
0.20CP = 660 - CP
1.20CP = 660
CP = 660 / 1.20
CP = $550
So, the cost price of the article is $550.
Now, to make a profit of 30%, we need to find the selling price.
Profit percentage = 30%
Cost Price = $550
Let's denote the selling price needed as SP.
Profit = Selling Price - Cost Price
30% of CP = Selling Price - $550
Now, let's solve for SP:
30/100 * 550 = SP - 550
165 = SP - 550
SP = 165 + 550
SP = $715
Therefore, to make a profit of 30%, the article should be sold for $715.