15. A family of 8 people has enough stock of rice to last for 30 days. Due to the arrival of some relatives, this food was consumed in 20 days. How many guests joined the family?
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Solutions. 30days=8people
So 20 days =?
Less day more people
It is a case of inverse proportion
30×8=20×?
240=20×?
240÷20=?
12=?
Ans 12 People consume food in 20 days
Step-by-step explanation:
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