Un estudiante debe leer una novela en 1 semana entre lunes y martes lee 1/5 de libro y el miercoles 1/3 del resto, si pars los restantes dias de la semana le quedan aun 64 paginas de lectura, ? cual es el total de paginas del libro?

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

10.4 inches

step-by-step explanation:

2x2x2.6

answer: the sun

explanation:

water cycle describes the evaporation of water from earth's surface, formation of clouds and precipitation water back onto the surface of earth. seventy percent of the earth is covered with water in the form of seas and oceans. the heat of the sun causes the evaporation of water from the surface of the ocean. the water vapors rise and condense to form water droplets. the collection of these water droplets form clouds which rain down again.

the evaporation of the oceans surface water as part of the water cycle is caused by the sun