There were some bottles and packets. A bottle weighed 3 kg and a packet weighed 5 kg more. The total weight of the bottles was 33 kg heavier than the total weight of the packets. The number of bottles and packets were in the ratio 9 : 2. What was the total weight of the bottles and the packets?
|
Bottles |
Packets |
Total |
Heavier |
Number |
9 u |
2 u |
|
|
Value |
3 |
8 |
|
|
Total value |
27 u |
16 u |
43 u |
11 u |
Weight of 1 packet
= 3 + 5
= 8 kg
Total weight of the bottles heavier than the total weight of the packets
= 27 u - 16 u
= 11 u
11 u = 33
1 u = 33 ÷ 11 = 3
Total weight of the bottles and packets
= 27 u + 16 u
= 43 u
= 43 x 3
= 129 kg
Answer(s): 129 kg