Question

The cost of mailing 20 parcels is ₹160. What is the cost of mailing :
i. 8 parcels
ii. 15 parcels
iii. 70 parcels
iv. 200 parcels

Answer 1

Step-by-step explanation:

cost of mailing 20 parcels = 160rs

cost of one parcel = 160/20 = 8rs

1. cost of 8 parcels = 8 × 8 = 64 rs

2.cost of 15 parcels = 15 × 8 = 120 rs

3.cost of 70 parcels = 70 ×8 = 560 rs

4.cost of 200 parcels = 200 × 8 = 1600rs.

Hope it is useful for you.

Answer 2

Step-by-step explanation:

Since the cost of mailing 20 parcels is Rs. 160

Therefore, the cost of mailing one parcel will be = 160/ 20

= ₹8

1. The cost of mailing 8 parcels = Cost of 1 parcel × 8

= 8 × 8

= ₹64

2. The cost of mailing 15 parcels = Cost of 1 parcel × 15

= 8 × 15

= ₹120

3. The cost of mailing 70 parcels = Cost of 1 parcel × 70

= 8 × 70

= ₹560

4. The cost of mailing 200 parcels = Cost of 1 parcel × 200

= 8 × 200

= ₹1600