Situación 2 En una tienda de artículos para limpieza, Cristina compra 4 litros de detergente y

5 litros de suavizante por un total de 52 soles. Su amiga Liliana compra 3 litros de

detergente y 10 litros de suavizante del mismo tipo, por lo cual paga en total 64 soles.

Representa la situación planteada mediante un lenguaje algebraico.

There are two major tests of readiness for college: the act and the sat. act scores are reported on a scale from 1 to 36. the distribution of act scores in recent years has been roughly normal with mean µ = 20.9 and standard deviation s = 4.8. sat scores are reported on a scale from 400 to 1600. sat scores have been roughly normal with mean µ = 1026 and standard deviation s = 209. reports on a student's act or sat usually give the percentile as well as the actual score. the percentile is just the cumulative proportion stated as a percent: the percent of all scores that were lower than this one. tanya scores 1260 on the sat. what is her percentile (± 1)?