Respuesta :
Step-by-step explanation:
[tex]2 \: \: \: \: \: \: \: \: \: \: 3 \\ x \: \: \: \: \: \: \: \: 21 \\ cross \: \: multiple \\ \\ \\ 3x = 21 \times 2 \\ 3x = 42 \\ \frac{3x}{3} = \frac{42}{3} \\ x = 14[/tex]
she bought 14 gold fish.
Step-by-step explanation:
[tex]2 \: \: \: \: \: \: \: \: \: \: 3 \\ x \: \: \: \: \: \: \: \: 21 \\ cross \: \: multiple \\ \\ \\ 3x = 21 \times 2 \\ 3x = 42 \\ \frac{3x}{3} = \frac{42}{3} \\ x = 14[/tex]
she bought 14 gold fish.