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3 years ago

5. Sally is shopping for diapers and sees a box with 216 diapers for $39.98 and a box with 88

Mathematics

1 answer:

Leya [2.2K]3 years ago

4 0

Answer:

The option with the best deal is 216 diapers for $39.98

Step-by-step explanation:

Sally is shoping for diapers

Sally first sees a box which contains 216 diapers at $39.98

She also sees a second box with 88 diapers for $24.99

To know which option that has the best deal for diapers we have to calculate the amount of 1 diapers in each of the boxes

Box 1

216 diapers= $39.98

1 diaper= x

Cross multiply

216x= $39.98

x= 39.98/216

= 0.19 cents for 1 diapers

Box 2

88 diapers= $24.99

1 diaper= x

Cross multiply

88x= $24.99

x= 24.99/88

= 0.28 cents for 1 diaper

Hence the option with the best deal is 216 diapers for $39.98, this is because it is more cheaper.

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PtichkaEL [24]

The expected value if I have to pick one package given the price I would have to pay is $0.11.

<h3>What is the expected value?</h3>

The expected value is the cost you would have to pay subtracted from the total value of one package.

Total value of one package =[ (15 x 0.60) + (5 x 0.3) + (20 x 0.7)]/ (20 + 15 + 5) = $0.61

Expected value = $0.61 - $0.50 = $0.11

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3 years ago

A department store buys 200 shirts at a cost of $5,400 and sells them at a selling

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Number of shirts a department store bought = 200

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Cost price of 1 shirt :

$=\tt \frac{5400}{200}$

$\color{plum} =\tt \$27$

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Which means :

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Since selling price is greater than cost price, there was a markup in the price of the shirts.

We know that :

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$= \tt \frac{30 - 27}{27} \times 100$

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