jacobclark8097 jacobclark8097 08-09-2019 Mathematics contestada Six dozen pens were placed on sale for $8.99 each. After the sale, 2 and 1/2 dozen were left. -How many pens were on sale originally? -How many dozens of pens were sold? -How many pens were left at the end of the sale? -What was the overall sales volume generated on the pens sold?