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Elenna [48]
3 years ago
9

A restaurant bill for 4 people is $120. The group leaves a tip of $18. What percent tip is that?

Mathematics
1 answer:
igomit [66]3 years ago
4 0

Answer:

18÷120(100)

=0.15

=15%

so the answer is 15%

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What is the difference between gcf (greatest common factor) and lcm (least common multiple)?
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The GCF is based upon what integer divides evenly into two numbers; the LCM is based upon what integer two numbers share in a list of multiples.  The GCF must be a prime number; the LCM must be a composite number.

3 0
3 years ago
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An actor invested some money at 5% simple interest, and $41,000 more than 4 times the amount at 9%. The total annual interest ea
NARA [144]

Answer:

  • The amount invested at 5%=$77,000
  • The amount invested at 9%=$349,000

Step-by-step explanation:

  • Let the amount invested at 5% simple interest =$x

He invested $41,000 more than 4 times the amount at 9%.

  • This amount is: $(4x+41000)

Total Annual Interest Earned = $35,260

Therefore, Time=1 year

Simple Interest=\frac{Principal X Rate X Time}{100}

Therefore, his total interest

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35260=\left(\frac{x*5*1}{100} \right)+\left(\frac{4x+41000*9*1}{100} \right)\\35260=0.05x+(0.36x+3690)\\35260-3690=0.05x+0.36x\\31570=0.41x\\\text{Divide both sides by 0.41}\\x=\$77000

Therefore:

The amount invested at 5%=$77,000

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6 0
3 years ago
Please help me tysm!
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Answer:

Z.

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I wrote down the subject with the number of students. I looked one by one to see if the number of students with the subject matched with the graph.  Then I finally found that the last graph matched with what I written down.

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Can the sum of two mixed numbers be equal to explain
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Step-by-step explanation:

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What are the solutions of the equation (2x + 3)2 + 8(2x + 3) + 11 = 0? Use u substitution and the quadratic formula to
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Answer:

x=  −41 /20

Step-by-step explanation:

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(4x+16x)+(6+24+11)=0(Combine Like Terms)

20x+41=0

20x+41=0

Step 2: Subtract 41 from both sides.

20x+41−41=0−41

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Step 3: Divide both sides by 20.

20x /20  =  −41 /20

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3 years ago
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