12. If 240 boys need 10 litres of ink for
75 days, then how long will it last if
there be 10 boys more ?
Answers
Answered by
1
Answer:
72
Step-by-step explanation:
because time is inversly proportional to total boy
=240*75/250
=72 days
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Answered by
0
Step-by-step explanation:
240=75
10=x
x=75×10/240
x=3.125
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