Question

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2. Solve the following problems.
a. There are 168 books at the library. One sixth of the
books are about astronomy. How many books of
astronomy there are at the library?
b. A pool has a capacity of 32.000 liters. The pool has
to be filled until four fifths of its capacity. How
many liters of water are needed?
c. There are 600 students at the school. Eight tenths
of the students play piano. Two thirds of the
students play guitar. One fourth of the students
play saxophone. How many students play each
musical instrument?

Answer 1

Respuesta:

Explicación paso a paso:

1. hay 28 libros de astronomia en la biblioteca

2. las piscina se llena con 25.600 litros de agua

3 tocan el piano 480 estudiantes, 400 estudiantes tocan la guitarra, y 150 tocan el saxofon