Answer:
$2.25
Step-by-step explanation:
Let c represent the cost of a cup of coffee. Then the total amount paid for 3 cups is ...
3c + 3c·0.08 = 7.29
3.24c = 7.29
c = 7.29/3.24 = 2.25
A cup of coffee costs $2.25.
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<em>Comment on "I will give you 100 pointd"</em>
I don't know what a "pointd" is, but I suggest you not make promises you cannot keep.
Answer:
Step-by-step explanation:
<h3>Given </h3>
<h3>To find</h3>
<h3>Solution</h3>
- 5x:9=7:3
- 5x = 7*9/3
- 5x = 7*3
- 5x = 21
- x = 21/5
- x = 4.2
Answer:
should be (-infinity,+intinity) for both domain and range
Step-by-step explanation:
The three students whose individual number of shirt owned sums up to 20 are <em>Will, Mandy and Cindy</em>.
<u>Given the information about the number of t-shirts owned by 4 students</u> :
- Will 4
- Mandy 7
- Greg 12
- Cindy9
<u>To obtain the which three students have shirts which sums up to 20</u> ;
- We could sum the number of t-shirts owned by any of the three students and see if it gives a value of 20.
- From the data, the 3 students who have the least number of t - shirts have a total of 20 t - shirts
<em>Will + Mandy + Cindy</em>
4 + 7 + 9 = 20 students
Therefore, the three students whosw shirts sums up to 20
are <em>Will, Mandy and Cindy</em>.
Learn more :brainly.com/question/18796573
Answer:
70%
Step-by-step explanation:
Simply subtract 30% from 100% to get the answer.