There were some bottles and packets. A bottle weighed 3 kg and a packet weighed 1 kg more. The total weight of the bottles was 77 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 |
3 |
4 |
|
|
Total value |
15 u |
8 u |
23 u |
7 u |
Weight of 1 packet
= 3 + 1
= 4 kg
Total weight of the bottles heavier than the total weight of the packets
= 15 u - 8 u
= 7 u
7 u = 77
1 u = 77 ÷ 7 = 11
Total weight of the bottles and packets
= 15 u + 8 u
= 23 u
= 23 x 11
= 253 kg
Answer(s): 253 kg