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Grace [21]
3 years ago
10

Original cost: $7.50; markup %:50%

Mathematics
2 answers:
vagabundo [1.1K]3 years ago
6 0
You would pay $3.75
7.50÷2
aliya0001 [1]3 years ago
3 0
3.75 because 7.50 × .50 (or 7.50/2) is 3.75
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There are 751 identical plastic chips numbered through 751 in a box.
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1.1331

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Can you please help me out
Taya2010 [7]

The bag contains,

Red (R) marbles is 9, Green (G) marbles is 7 and Blue (B) marbles is 4,

Total marbles (possible outcome) is,

\text{Total marbles = (R) + (G) +(B) = 9 + 7 + 4 = 20 marbles}

Let P(R) represent the probablity of picking a red marble,

P(G) represent the probability of picking a green marble and,

P(B) represent the probability of picking a blue marble.

Probability , P, is,

\text{Prob, P =}\frac{required\text{ outcome}}{possible\text{ outcome}}\begin{gathered} P(R)=\frac{9}{20} \\ P(G)=\frac{7}{20} \\ P(B)=\frac{4}{20} \end{gathered}

Probablity of drawing a Red marble (R) and then a blue marble (B) without being replaced,

That means once a marble is drawn, the total marbles (possible outcome) reduces as well,

\begin{gathered} \text{Prob of a red marble P(R) =}\frac{9}{20} \\ \text{Prob of }a\text{ blue marble =}\frac{4}{19} \\ \text{After a marble is selected without replacement, marbles left is 19} \\ \text{Prob of red marble + prob of blue marble = P(R) + P(B) = }\frac{9}{20}+\frac{4}{19}=\frac{251}{380} \\ \text{Hence, the probability is }\frac{251}{380} \end{gathered}

Hence, the best option is G.

5 0
2 years ago
A manufacturer sells three products A, B, and C through outlets at two shopping centers—Eastfield andNorthview. The number of ea
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3 years ago
Sea World has 9 aquariums with small fish in them and the number of fish in each tank are shown below:45,10,48,19,36,25,63,14,37
zepelin [54]

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Step-by-step explanation:

Add all the numbers

Divide by 9

5 0
4 years ago
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