Question

A local pet store was giving away 3 guppies for each 2 gold fish that were sold. Based on this information, how many gold fish did Jesse buy if he received 21 guppies for free?

Answer 1

Jessie bought 14 goldfishes

Answer 2

Step-by-step explanation:

$2 \: \: \: \: \: \: \: \: \: \: 3 \\ x \: \: \: \: \: \: \: \: 21 \\ cross \: \: multiple \\ \\ \\ 3x = 21 \times 2 \\ 3x = 42 \\ \frac{3x}{3} = \frac{42}{3} \\ x = 14$

she bought 14 gold fish.