Kiran says, “I bought 2.5 pounds of red and yellow lentils. Both were $1.80 per pound. I spent a total of $4.05.” 1. Write a system of equations to describe the relationships between the quantities in Kiran's statement. Be sure to specify what each variable represents.

2. Elena says, “That can't be right.” Explain how Elena can tell that something is wrong with Kiran's statement.

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

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Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable