Answer:
Mary earns interest in one year is $88 .
Step-by-step explanation:
Formula

As given
If Mary deposits $275 in principal at an interest rate of 3.2 percent .
Principle = $275
Rate = 3.2%
Time = 1 year
Putting all the values in the formula


Simple interest = $88
Therefore the Mary earns interest in one year is $88 .
Answer:
Mrs. Jeeve's 4th grade class earned $52.5 per hour with their lemonade stand.
Step-by-step explanation:
$315/6= $52.5
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For this case we have the following data:
31, 32, 32, 33, 34, 35, 35, 35, 35
The median is given by the central datum:
Median = 34
Mode is given by the most repeated data:
Mode = 35
Answer:
Median = 34
Mode = 35