SOLUTION: If the food in the basket is sufficient to feed 10 persons in 12 days, how many days would it last for 20 persons?

Question 1101902: If the food in the basket is sufficient to feed 10 persons in 12 days, how many days would it last for 20 persons?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Description gives the impression of just a simple proportion but also may work as a constant rates situation.

r, the consumption rate for 1 person
x, how many day...

------------six days
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