The local coffee shop offers a 10 percent discount to senior citizens on a cup of coffee and a donut. If the regular price is $2
2 answers:
Answer:
Price for senior citizens is $2.655 .
Step-by-step explanation:
As given
The local coffee shop offers a 10 percent discount to senior citizens on a cup of coffee and a donut.
If the regular price is $2.95.
10% is written in the decimal form.
= 0.10
Discount price = 0.10 × 2.95
= $ 0.295
Price for senior citizens = Original price - Discount price
= $2.95 - $ 0.295
= $2.655
Therefore price for senior citizens is $2.655 .
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<h2>Hello!</h2>
The answer is: 23.77 hours
<h2>Why?</h2>Where:
Total(t) is equal to the amount for a determined time (in hours)
<em>Start</em> is the original amount
<em>t </em>is the time in hours.
For example, it's known from the statement that the bacteria double their population every 15 hours, so it can be written like this:
To calculate how long it takes for the bacteria cells to increase to 300, we should do the following calculation:
So, to know if we are right, let's replace 23.77 h in the equation:
Total(t)=100*2^\frac{23.77}{15}=299.94
and 299.94≅300
Have a nice day!
Answer:
Option A is correct
Step-by-step explanation:
Hope it is helpful....
