Is this proportional?

If so, what is the constant of proportionality?

Is this proportional?

If so, what is the constant of proportionality?

On average, Anna can drive 31 miles on every gallon of gasoline. If she fills up her tank for $2.19 per gallon, how much will it cost her to drive 434 miles?

Sophia bought 9 red peppers for $5.40.

Part A Find the unit rate. Then use the unit rate to write an equation relating the cost in dollars c to the number of red peppers p.

Part B How much would Sophia pay for 14 red peppers?

​Jenny is using a recipe to make a batch of fruit punch. The ingredients are listed in quarts (qt) and she needs to convert them to liters (L). Use 1 qt ≈ 0.946 L. Determine the equivalent amount. Round to the nearest tenth as needed.

9 qt orange juice = ________ L