At his bake sale, Mr. Heftwhistle sold 30% of his pies
to one friend. Mr. Heftwhistle then sold 60% of the
remaining pies to another friend. What percent of his
original number of pies did Mr. Heft whistle have left?
A) 10%
B) 18%
C) 28%
D) 36%
Reason: Normally, the total is 100% and Mr. Heftwhistle sold 30% and another 60%. Add 30 and 60 together and you get 90%. You need 10% more until you get 100%. Your answer!
