At this rate, how many dresses does lucy sew in one hour?

Lucy sews of a dress in one hour.

Step-by-step explanation:

The complete question is:

"Lucy is a dress maker. She sew of a dress in hour. At this rate, how many dresses does Lucy sew in one hour?"

Let "x" represents the number of dresses that Lucy sews in one hour.

You need to analize the information given in the exercise.

According to the exercise, you know that, in hour, Lucy sews of a dress.

Then, knowing this data, you can set up the following proportion:

Therefore, you must solve for "x" in order to find the he number of dresses that Lucy sew in one hour.

You get this result:

Then, Lucy sews of a dress in one hour.

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

copy and paste, put it in google

step-by-step explanation: