De un deposito de agua se saca 3/5 del contenido y, despues 2/5 de lo que quedaba. si aun quedan 600 litros ¿cuanta agua habia al principio?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was

Find the solution on the interval [0, 2pi)