There were some bottles and packets. A bottle weighed 2 kg and a packet weighed 1 kg more. The total weight of the bottles was 20 kg heavier than the total weight of the packets. The number of bottles and packets were in the ratio 5 : 2. What was the total weight of the bottles and the packets?
| |
Bottles |
Packets |
Total |
Heavier |
| Number |
5 u |
2 u |
|
|
| Value |
2 |
3 |
|
|
| Total value |
10 u |
6 u |
16 u |
4 u |
Weight of 1 packet
= 2 + 1
= 3 kg
Total weight of the bottles heavier than the total weight of the packets
= 10 u - 6 u
= 4 u
4 u = 20
1 u = 20 ÷ 4 = 5
Total weight of the bottles and packets
= 10 u + 6 u
= 16 u
= 16 x 5
= 80 kg
Answer(s): 80 kg
