There were some packets and bottles. A packet weighed 4 kg and a bottle weighed 2 kg more. The total weight of the packets was 80 kg heavier than the total weight of the bottles. The number of packets and bottles were in the ratio 7 : 2. What was the total weight of the packets and the bottles?
|
Packets |
Bottles |
Total |
Heavier |
Number |
7 u |
2 u |
|
|
Value |
4 |
6 |
|
|
Total value |
28 u |
12 u |
40 u |
16 u |
Weight of 1 bottle
= 4 + 2
= 6 kg
Total weight of the packets heavier than the total weight of the bottles
= 28 u - 12 u
= 16 u
16 u = 80
1 u = 80 ÷ 16 = 5
Total weight of the packets and bottles
= 28 u + 12 u
= 40 u
= 40 x 5
= 200 kg
Answer(s): 200 kg