Question

A shopkeeper bought a 20 pound box of salt fish which cost $160. He sold the salt fish at $10 a pound. His profit as a percentage of the cost price was

Answer 1

Bought price:

$160 / 20 pounds = $8 / pound

Sold price = $10 / pound

Profit:

( 10 - 8 ) / 8 = 2 / 8 = 2 ∙ 1 / 2 ∙ 4 = 1 / 4 = 0.25

0.25 ∙ 100% = 25 %

Answer 2

Ariel

Answer 3

25%

Answer 4

80%

Answer 5

80% as a fraction is 4/5.