Question

An article was sold for rupees 280 with a profit of 5%. what was its cost price.
​

Answer 1

Answer:

Step-by-step explanation:

SP = 250

profit = 5%

CP = ?

profit = (SP - CP)/CP

⇒ 5/100 = (250-CP)/CP

⇒0.05×CP = 250 - CP

⇒ 0.05CP + CP = 250

⇒1.05 CP = 250

⇒ CP = 250/1.05 = Rs. 238.1  

Cost Price is Rs.238.1

Answer 2

Answer:

Step-by-step explanation

if the cost money is x

then,

x+( x×5%)=280

x+x/20=280

20x+x= 280

20

21x=560

x=800/3

=266.666.....