There were some packets and bottles. A packet weighed 4 kg and a bottle weighed 1 kg more. The total weight of the packets was 40 kg heavier than the total weight of the bottles. The number of packets and bottles were in the ratio 5 : 2. What was the total weight of the packets and the bottles?
|
Packets |
Bottles |
Total |
Heavier |
Number |
5 u |
2 u |
|
|
Value |
4 |
5 |
|
|
Total value |
20 u |
10 u |
30 u |
10 u |
Weight of 1 bottle
= 4 + 1
= 5 kg
Total weight of the packets heavier than the total weight of the bottles
= 20 u - 10 u
= 10 u
10 u = 40
1 u = 40 ÷ 10 = 4
Total weight of the packets and bottles
= 20 u + 10 u
= 30 u
= 30 x 4
= 120 kg
Answer(s): 120 kg