There were some packets and bottles. A packet weighed 3 kg and a bottle weighed 1 kg more. The total weight of the packets was 12 kg heavier than the total weight of the bottles. The number of packets and bottles were in the ratio 10 : 7. What was the total weight of the packets and the bottles?
|
Packets |
Bottles |
Total |
Heavier |
Number |
10 u |
7 u |
|
|
Value |
3 |
4 |
|
|
Total value |
30 u |
28 u |
58 u |
2 u |
Weight of 1 bottle
= 3 + 1
= 4 kg
Total weight of the packets heavier than the total weight of the bottles
= 30 u - 28 u
= 2 u
2 u = 12
1 u = 12 ÷ 2 = 6
Total weight of the packets and bottles
= 30 u + 28 u
= 58 u
= 58 x 6
= 348 kg
Answer(s): 348 kg