Question

a certain brand of soap powder is sold at rupees 15 per packet. it cost rupess 144 a dozen. what is the profit in percent on 8 dozen packets.

Answer 1

144÷12=12

sold in 15 per pie piece

3 is profit

3×36=108 is the profit

Answer 2

Given :

• a) A certain brand soap-powder is sold at ₹15 per packet.
• b) It costs ₹144 a dozen.

To find : profit or loss in percent on 8 dozen packet ?

Solution : Now, we know that 1 dozen mean's 12 packets of soap-powder

So, hence

• 1 dozen = 12 packets of soap-powder

From given ( a )

Cost of 12 packets of soap-powder OR one dozen of soap-poweder packets

⟹ ₹(12 × cost of one packet)

⟹ ₹(12 × 15)

⟹ ₹ 180 -----( 1 )

From given ( b ) & ( 1 )

Cost price of 8 dozen soap-powder

packets = ₹ (8 × 144) = ₹ 1152 ------( 3 )

selling price of 8 dozen soap-powder packets = ₹ (8 × 180) = ₹ 1440 ------( 4 )

From ( 3 ) and ( 4 )

We know selling price > cost price

So its a profit

⟹ Profit = selling price - cost price

⟹ Profit = ₹ ( 1440 - 1152 )

⟹ Profit = ₹ 288

Now,

⟹ Profit percentage = ( profit / cost price ) × 100

⟹ Profit percentage = (288/1152)×100

⟹ Profit percentage = ( 1/4 )×100

⟹ Profit percentage = 0.25 × 100

⟹ Profit Percentage = 25 %

Answer : Hence profit is ₹ 288 and profit percentage 25 % on 8 dozen soap-powder packets.