Answer:
SP = 627 Rs
Step-by-step explanation:
Percentage loss is calculated as
[tex]\frac{CP-SP}{CP}[/tex] , then
[tex]\frac{660-SP}{660}[/tex] = 5% = 0.05 ( multiply both sides by 660 )
660 - SP = 33 ( subtract 660 from both sides )
- SP = - 627 ( multiply both sides by - 1 )
SP = 627 Rs