4 is probably the answer. Hope this helps. :)
Answer:
251.4cm² is the area of the cone-shaped vase.
There are 52 weeks a year
In 2 years there are 104 weeks
Total paid
35×104=3,640
markup rate
((3,640−2,400)÷2,400)×100=51.7%
It's b
Answer:
0.30 you divided the total by the number of units which is 4