Answer:
68
Step-by-step explanation:
Answer:
A. $10.71
Step-by-step explanation:
The second value of the ratio is guests, which is currently 3. To make this 30, you would multiply it by 10, and do the same to the first value, representing bouncy balls, to get the number of balls necessary for 30 people to maintain the same ratio. 9 * 10 = 90, so 90 balls would be required if the same ratio is to be kept.