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 50 kg heavier than the total weight of the bottles. The number of packets and bottles were in the ratio 7 : 4. What was the total weight of the packets and the bottles?
|
Packets |
Bottles |
Total |
Heavier |
Number |
7 u |
4 u |
|
|
Value |
3 |
4 |
|
|
Total value |
21 u |
16 u |
37 u |
5 u |
Weight of 1 bottle
= 3 + 1
= 4 kg
Total weight of the packets heavier than the total weight of the bottles
= 21 u - 16 u
= 5 u
5 u = 50
1 u = 50 ÷ 5 = 10
Total weight of the packets and bottles
= 21 u + 16 u
= 37 u
= 37 x 10
= 370 kg
Answer(s): 370 kg