Question

Calcula el factor que falta:


a) $\frac{1}{7}$ x ____ = 4

b) $\frac{1}{3}$ x _____ = 5

c) 9 x _____ = 3

d) 8 x _____ = 2

Answer 1

Explicación paso a paso:

A)

$\frac{1}{7} \times x = 4 \\ \frac{x}{7} = 4 \\ x = 28$

B)

$\frac{1}{3 } \times x = 5 \\ \frac{x}{3} = 5 \\ x = 15$

C)

$9 \times x = 3 \\ 9x = 3 \\ x = \frac{3}{9} \\ x = \frac{1}{3}$

D)

$8 \times x = 2 \\ 8x = 2 \\ x = \frac{2}{8} \\ x = \frac{1}{4}$