WAEC - Mathematics (2022 - No. 45)
A trader made a loss of 15% when an article was sold. Find the ratio of the selling price : cost price
3:20
3:17
17:20
20:23
Forklaring
Where the loss= (100-15)%
= 85%
Ratio = 85:100 or 17:20
Where the loss= (100-15)%
= 85%
Ratio = 85:100 or 17:20