1. By selling an article at N600.00, a
trader makes a profit of 20%. Find the
cost price.​

500

Step-by-step explanation:

SP = 600.00

profit= 20%

SP = CP + 20% of CP

or, 600.00 = CP + 20/100 × CP

or, 60000= 120CP

or, CP = 60000/ 120

CP = 500

saving = more money

step-by-step explanation:

if you have 100 bucks, and you want to buy a candy bar, even if you have one at home, if you choose not to buy it, you save.

~courtney