There were some bottles and packets. A bottle weighed 4 kg and a packet weighed 1 kg more. The total weight of the bottles was 40 kg heavier than the total weight of the packets. The number of bottles and packets were in the ratio 10 : 7. What was the total weight of the bottles and the packets?
|
Bottles |
Packets |
Total |
Heavier |
Number |
10 u |
7 u |
|
|
Value |
4 |
5 |
|
|
Total value |
40 u |
35 u |
75 u |
5 u |
Weight of 1 packet
= 4 + 1
= 5 kg
Total weight of the bottles heavier than the total weight of the packets
= 40 u - 35 u
= 5 u
5 u = 40
1 u = 40 ÷ 5 = 8
Total weight of the bottles and packets
= 40 u + 35 u
= 75 u
= 75 x 8
= 600 kg
Answer(s): 600 kg