A packet has to consist of three types of jellies - orange, mango and strawberry. The price per unit of orange, mango and strawberry jelly is ₹2.00, ₹3.00 and ₹3.50, respectively. In a packet, there are 80 orange jellies, 50 mango jellies and 120 strawberry jellies. What is the average cost (in ₹) of a jelly in a mixed packet?
- A2.8
- B2.96
- C2.92
- D3.02
Solution & Step-by-step Explanation
Total cost of jellies in the packet:
Total Cost=(80×2.00)+(50×3.00)+(120×3.50)
Total Cost=160+150+420=₹730
Total number of jellies in the packet:
Total Jellies=80+50+120=250
Average cost of a jelly:
Average Cost=
Total Jellies
Total Cost
=
250
730
=
25
73
=₹2.92
Total Cost=(80×2.00)+(50×3.00)+(120×3.50)
Total Cost=160+150+420=₹730
Total number of jellies in the packet:
Total Jellies=80+50+120=250
Average cost of a jelly:
Average Cost=
Total Jellies
Total Cost
=
250
730
=
25
73
=₹2.92