There were some bottles and packets. A bottle weighed 4 kg and a packet weighed 2 kg more. The total weight of the bottles was 36 kg heavier than the total weight of the packets. The number of bottles and packets were in the ratio 9 : 4. What was the total weight of the bottles and the packets?
|
Bottles |
Packets |
Total |
Heavier |
Number |
9 u |
4 u |
|
|
Value |
4 |
6 |
|
|
Total value |
36 u |
24 u |
60 u |
12 u |
Weight of 1 packet
= 4 + 2
= 6 kg
Total weight of the bottles heavier than the total weight of the packets
= 36 u - 24 u
= 12 u
12 u = 36
1 u = 36 ÷ 12 = 3
Total weight of the bottles and packets
= 36 u + 24 u
= 60 u
= 60 x 3
= 180 kg
Answer(s): 180 kg