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natima [27]
3 years ago
13

A school purchases boxes of candy bars each box contains 50 candy bars each box cost $20. how much does the school have to charg

e for each candy bar to make a profit of $10 per box
Mathematics
2 answers:
Butoxors [25]3 years ago
6 0
20/50=.4  .6x50=30 so ur answer is $0.60
Murrr4er [49]3 years ago
3 0
They would need to charge at least 60 cents per bar

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dedylja [7]

Answer:

Carter family = 25 hours

Davis family = 31 hours

Step-by-step explanation:

Let's say the number of hours the Carter family used their sprinkler is x and the number of hours the Davis family used their sprinkler for is y.

So combined:

x + y = 45 hours

and we are also told that:

40x + 15y = 1300 L

So we can do simultaneous equations to solve the problem.

With some rearranging, we can figure out that:

y= 45 - x

and by substituting that into the second equation:

40x + 15 (45 -x) = 40x + 675 - 15x = 1300L

25x = 1300 - 675

25x = 625

x = 25 = hours that the Carter family used their sprinkler

and we can substitute that back into the original equation to find how many hours the Davis family used their sprinkler so:

25 + y = 56

y = 31

The Davis family used their sprinkler for 31 hours whilst the Carter family used their sprinkler for 25 hours.

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1 year ago
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disa [49]
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6 0
3 years ago
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Ganezh [65]

Answer:

it would be the size of the average desktop monitor

Step-by-step explanation:

8 0
3 years ago
How does an indirect proof different from a regular proof
prisoha [69]

Answer:

Regular proof is a method of proving the statement directly. In this method, we just proved it by using direct formula or theorem. whereas, Indirect proof is a way of proving by contradiction

Step-by-step explanation:

5 0
3 years ago
R --> 2 P. Initially you start off with 0.5 M reactants and let the reaction run to equilibrium and calculate the equilibrium
Anit [1.1K]

Answer:

K still the same value

Step-by-step explanation:

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\frac{C^{c}D^{d}  }{A^{a}B^{b} }

K is a constant so it won't change the value. Instead, the values of C and D are going to change.  The position of equilibrium moves because of the need to keep a constant value for the equilibrium constant.

8 0
2 years ago
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