There were some bottles and packets. A bottle weighed 3 kg and a packet weighed 2 kg more. The total weight of the bottles was 55 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 |
5 |
|
|
Total value |
21 u |
10 u |
31 u |
11 u |
Weight of 1 packet
= 3 + 2
= 5 kg
Total weight of the bottles heavier than the total weight of the packets
= 21 u - 10 u
= 11 u
11 u = 55
1 u = 55 ÷ 11 = 5
Total weight of the bottles and packets
= 21 u + 10 u
= 31 u
= 31 x 5
= 155 kg
Answer(s): 155 kg