80kg of food stuff is sufficient for a family of 7 members for 40 days far. How long the same quantity of food stuff will be sufficient for the 8 members of the family?
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Step-by-step explanation:
m1*d1 = m2*d2
7×40 =8×d2
35 = d2
no. of days food last for 8 members =35 days
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