Erica would like to bake a 7-pound roast for a family gathering. The cookbook tells her to bake a 3-pound roast for 84 minutes.

Create and solve a proportion that would allow Erica to cook her 7-pound roast.

To determine the cooking time for Erica's 7-pound roast, we can set up a proportion based on the relationship between the weight of the roast and the cooking time.

Let's assume that the cooking time is directly proportional to the weight of the roast. Therefore, the proportion can be set up as follows:

(Weight of 3-pound roast)/(Cooking time for 3-pound roast) = (Weight of 7-pound roast)/(Cooking time for 7-pound roast)

Using the values given in the problem, we can substitute the known values into the proportion:

(3 pounds)/(84 minutes) = (7 pounds)/(x minutes)

To solve for x, we can cross-multiply and then solve for x:

3 * x = 7 * 84

3x = 588

x = 588/3

x = 196

It's important to note that cooking times can vary depending on factors such as the type of oven and desired level of doneness. It is always a good idea to use a meat thermometer to ensure that the roast reaches the desired internal temperature, which is typically around 145°F for medium-rare to 160°F for medium.

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Erica would like to bake a 7-pound roast for a family gathering. The cookbook tells her to bake a 3-pound roast for 84 minutes. Create and solve a proportion that would allow Erica to cook her 7-pound roast.

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Erica would like to bake a 7-pound roast for a family gathering. The cookbook tells her to bake a 3-pound roast for 84 minutes.

Create and solve a proportion that would allow Erica to cook her 7-pound roast.