Vincent's freight forwarding company charges $15 for every vase delivered on time and $13 for every vase delivered late. In the month of December, Vincent's freight forwarding company collected $1224. For every 14 vases delivered, 11 were delivered on time and 3 were delivered late.

1. What was the total number of vases delivered on time?
2. How much less money did Vincent's freight forwarding company collect in December due to the late deliveries of the vases?

	On time	Late	Total
Number	11 u	3 u
Value	15	13
Total Value	165 u	39 u	204 u

(a)
Total amount collected in December
= 165 u + 39 u
= 204 u

204 u = 1224

1 u = 1224 ÷ 204 = 6

Total number of vases delivered on time
= 11 u
= 11 x 6
= 66

(b)
Amount that Vincent's freight forwarding company collected less from each late delivery of vases
= 15 - 13
= $2

Number of vases delivered late
= 3 u 
= 3 x 6
= 18

Amount that Vincent's freight forwarding company collected less from all the late deliveries of vases 
= 18 x 2
= $36

Answer(s): (a) 66; (b) $36