Question

Amber bought eggs at Rs. 8.40 a dozen. At what price per hundred must she sell them so as to earn a profit of 15% ?​​

Answer 1

ANSWER

Cost per egg =

12

8.4

=0.7

Cost per hundred egg =Rs70

Let selecting price per hundred be Rs.y

⇒

70

y−70

×100=15

⇒10y−700=105

⇒y=80.5Rs

Answer 2

Given :

• Cost price = ₹8.4/dozen

To find :

• SP per 100 so profit percentage = 15%

Formula used :

• Profit % = Profit × 100 ÷ CP
• Profit = SP - CP
• 1 dozen = 12

Solution :

Cost price of 12 eggs = ₹8.4

Cost price of 1 egg = ₹8.4/12 = ₹0.7

Cost price of 100 eggs = ₹0.7 × 100 = ₹70

Profit% = Profit × 100/CP

putting respective values, we get;

15 = ( Profit × 100) ÷ 70

Profit = (15×70) ÷ 100

Profit = ₹10.5

Profit = SP - CP

SP = CP + Profit

SP = (70)+(10.5)

SP = ₹80.5 per 100 eggs

ANSWER : SP = ₹80.5 per 100 eggs