24-10-2017
Mathematics

contestada

A rumour spreads exponentially through a college. 100 people have heard it by noon, and 200 by 1 p.m. How many people have heard it (a) by 3 p.m., (b) by 12.30 p.m., (c) by 1.45 p.rn.?

Respuesta :

carlinmartin carlinmartin

25-10-2017

12:30 = 150
1:45 = 275
3:00 = 300

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