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Nady [450]
3 years ago
12

It costs the school band SS dollars per sandwich that they make. The band sells each sandwich for 20\%20% more than it costs to

make so they earn a profit. The expression 73(S+0.2S)73(S+0.2S) describes how much money the school band received selling sandwiches at their last fundraiser.
Mathematics
2 answers:
vichka [17]3 years ago
7 0

Step-by-step explanation:

The number of sandwiches the the band sold- 73

The cost to make one sandwich- S

The profit the band earns from one sandwich- 0.2S

The amount of money that the band receives for selling one sandwich -S+0.2S

Annette [7]3 years ago
5 0

Money Required for making 1 Sandwich that is Cost Price of 1 Sandwich = S Dollar

Selling Price of 1 Sandwich = 20 % more than Cost Price S

                    = S + 20 % of S

                     = \frac{20S}{100}+S=\frac{120S}{100}

                     =$ 1.20 S

                      = $(S + 0.20 S)

Selling Price of 73 Sandwiches = $ 73 (S + 0.20 S)

The expression $73(S+0.2 S) →→  Selling Price of 73 Sandwiches          



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<h2>Answer :</h2>
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<h2>Step-by-step explanation :</h2><h3>Known :</h3>
  • George can only cook one thing at a time
  • Turkey takes 90 minutes to cook
  • Pumpkin pie takes 20 minutes to cook
  • Rolls take 60 seconds to cook
  • A cup of coffee takes 45 seconds to heat

<h3>Asked :</h3>
  • Time needed to cook the meal
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<h3>Completion :</h3>

Let's convert all the seconds to minutes. We know that 60 seconds is equal to one minute. So,

60 seconds = 1 minutes

45 seconds = 45/60 minutes = 0.75 minutes

Time needed = Turkey + Pumpkin pie + Rolls + Coffee

Time needed = 90 + 20 + 1 + 0.75

Time needed = 111.75 minutes

Then, we'll calculate the time he need to start in order to complete the cooking at 4 P.M. First, let's convert the minutes to clock format.

111.75 minutes = 1 hour and 51.75 minutes

111.75 minutes = 1 hour and 51 minutes and 45 seconds

Lastly, calculate the time he need to start in order to complete the cooking at 4 P.M.

4h 0m 0s - 1h 51m 45s = 2h 8m 15s

<h3>Conclusion :</h3>
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