Althea recorded the amount she earned from T-shirt sales each day for 14 days. She made a frequency tables to organize the data. Write a problem that can be answered using the frequency table.
$7 | 3 | 3 x 7.50 = 22.50
$15 | 4 | 4 x 15 = 60
22.50 | 5 | 5 x 22.50 = 112.50

Answer this question only if you know the 30 points and

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?