There were some bottles and packets. A bottle weighed 3 kg and a packet weighed 4 kg more. The total weight of the bottles was 56 kg heavier than the total weight of the packets. The number of bottles and packets were in the ratio 7 : 2. What was the total weight of the bottles and the packets?
|
Bottles |
Packets |
Total |
Heavier |
Number |
7 u |
2 u |
|
|
Value |
3 |
7 |
|
|
Total value |
21 u |
14 u |
35 u |
7 u |
Weight of 1 packet
= 3 + 4
= 7 kg
Total weight of the bottles heavier than the total weight of the packets
= 21 u - 14 u
= 7 u
7 u = 56
1 u = 56 ÷ 7 = 8
Total weight of the bottles and packets
= 21 u + 14 u
= 35 u
= 35 x 8
= 280 kg
Answer(s): 280 kg