In a hostel, 30 students have food enough for 40 days. How many students should leave the hostel so that the food is enough for 100 days ?

1. aspect is nothing really because the answer is right in front of your face

The main role of dna in the  cell is the long-term storage of information. it is often compared to a blueprint, since it contains the instructions to construct other components of the  cell, such as  proteins  and rna molecules.the main function of rna is to carry information of amino acid sequence from the genes to where  proteins  are assembled on  ribosomes  in the  cytoplasm. mark brainliest, my work is good.