15 because you have to dive 24 by 8, you get 3. Then you multiply 3 and 5 and you get 15
You can think of "per cent" as meaning "divided by 100". Thus
.. 24% = 24/100
This fraction can be reduced by removing a factor of 4 from numerator and denominator:
.. 24% = 24/100 = 6/25
By dividing the price she paid (101.50) by the full price (145), Shelby paid 70% of the normal retail price. 100-70 is 30. Shelby saved 30 percent
