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ICSE Class 8 Answered

A fort has rations for 180 solders for 40 days, after 10 days 30 soilders leave the fort,. Find the total number of days for which the food will last. 
Asked by pratyushkumarparida420 | 04 Dec, 2019, 07:28: AM
answered-by-expert Expert Answer
A fort has rations for 180 solders for 40 days.
After 10 days 30 soilders leave the fort so 150 solders were left.
 
 
Let 150 solders had food for 'x' days.
 
This is the case of Inverse proportion.

→ 150:180 = 30:x
→ 150x  = 180 × 30
→      x  = (180 × 30)/150 = 36
Therefore, the total number of days for which the food will last is 36 days.

Answered by Yasmeen Khan | 04 Dec, 2019, 07:11: PM

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