A rate is a ratio that compares two related quantities. Common rates are speed = \({distance \over time}\), flow = \({amount \over time}\), and defect = \({errors \over units}\).
A tiger in a zoo has consumed 126 pounds of food in 9 days. If the tiger continues to eat at the same rate, in how many more days will its total food consumtion be 168 pounds?
| 11 | |
| 3 | |
| 89 | |
| 12 |