There were some packets and bottles. A packet weighed 2 kg and a bottle weighed 1 kg more. The total weight of the packets was 84 kg heavier than the total weight of the bottles. The number of packets and bottles were in the ratio 8 : 3. What was the total weight of the packets and the bottles?
|
Packets |
Bottles |
Total |
Heavier |
Number |
8 u |
3 u |
|
|
Value |
2 |
3 |
|
|
Total value |
16 u |
9 u |
25 u |
7 u |
Weight of 1 bottle
= 2 + 1
= 3 kg
Total weight of the packets heavier than the total weight of the bottles
= 16 u - 9 u
= 7 u
7 u = 84
1 u = 84 ÷ 7 = 12
Total weight of the packets and bottles
= 16 u + 9 u
= 25 u
= 25 x 12
= 300 kg
Answer(s): 300 kg