Rachel decided to have bouncy balls as a party favor. She determines that her ratio of bouncy ballsTwo guest is 9:3. Explain how to find the number of balls needed for30 guest

Respuesta :

Just multiply or divide the ratio to get each number to 30.

Answer: 90


Step-by-step explanation:because  if you times 10 to get 30 so you also times it by 9 so 9 x 10 = 90