Zeph's freight forwarding company charges $20 for every vase delivered on time and $18 for every vase delivered late. In the month of February, Zeph's freight forwarding company collected $1460. For every 15 vases delivered, 11 were delivered on time and 4 were delivered late.

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

	On time	Late	Total
Number	11 u	4 u
Value	20	18
Total Value	220 u	72 u	292 u

(a)
Total amount collected in February
= 220 u + 72 u
= 292 u

292 u = 1460

1 u = 1460 ÷ 292 = 5

Total number of vases delivered on time
= 11 u
= 11 x 5
= 55

(b)
Amount that Zeph's freight forwarding company collected less from each late delivery of vases
= 20 - 18
= $2

Number of vases delivered late
= 4 u 
= 4 x 5
= 20

Amount that Zeph's freight forwarding company collected less from all the late deliveries of vases 
= 20 x 2
= $40

Answer(s): (a) 55; (b) $40