Identify Structure One rate of an equivalent ratio is \(\frac{9}{n}\). Select two other rates, one that can be solved using equivalent fractions and the other that can be solved with unit rates.

Find the Error Elisa's mom teaches at a preschool. There is 1 teacher for every 12 students at the preschool. There are 276 students at the preschool. Elisa is setting up equivalent ratios to find the number of teachers at the preschool. Find her mistake and correct it.

Reason Inductively Tell whether the following statement is always, sometimes, or never true or never true for numbers greater than zero. Explain.

Persevere with Problems Suppose 25 out of 175 people said they like to play disc golf and 5 out of every 12 of the players have a personalized flying disc. At the same rates, in a group of 252 people, predict how many you would expect to have a personalized flying disc.

Standardized Test Practice A car traveling at a certain speed will travel 76 feet per second. How many miles will the car travel in 3.1 hours if it maintains the same speed? Round to the nearest tenth. (Hint: There are 5,280 feet in one mile)