10 obreros proponen a un señor construir su casa en 18 días. ¿En cuántos días 30 obreros construirán la misma casa? Doy corona ayudenme PORFI

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10