Well, if y is the notebook cost, well x+y=6.28, x+x+0.70=6.28, 2x=5.58, x=2.79.
The pencil box costs $2.79, while the notebook costs $3.49.
The weekly earning for the waitress is $475.
Step-by-step explanation:
Weekly salary = $275
Commission = 5%
Worth of dinners served = $4000.00
Amount of commission = 5% of worth of dinners served

Total earned = Weekly salary + Amount of commission
Total earned = 
The weekly earning for the waitress is $475.
Keywords: percentage, commission
Learn more about percentages at:
#LearnwithBrainly
Answer:
A. 56,000
B. 784,000,000
C. 620
D. 0.00000432
Step-by-step explanation:

To decrease this amount by 15% we must first find out what is 15% percent.
We can do that by multiplying the decimal of 15% by 120
15% = 0.15
0.15 x 120 = 18
So 18 is 15% of 120.
Wait! that's not the answer. We are asked to decrease by 15%
So 120 - 18 = 102
Your answer is £102
<h2>
Answer: −2.4f − 15</h2><h2>
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Honey, just simplify the expression to get your answer.</h3><h3>
−2.4f − 15</h3><h2>
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Hope you have a good day, Loves!~ <3