Nadine and her sister received the same amount of money to go out to
eat. Each girl spent $12. After
lunch, the girls had a total of $16.
Write and solve an equation to find
the amount of money each girl
received.

Which expressions are equivalent to -6 + 3m

Write two subtraction equations that are equivalent to 5 + 12 = 17.

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.