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Dominik [7]
3 years ago
14

A store can buy boxes of 8 calculators each for $32 or boxes of 5 calculators for $30. How much less is each calculator if the s

tore buys boxes of 8 calculators each Instead of boxes of 5 calculators each?
Mathematics
2 answers:
sleet_krkn [62]3 years ago
5 0

Answer:

  $2

Step-by-step explanation:

The price of each calculator is found by dividing the box price by the number of calculators in the box.

  $30/5 -$32/8 = $6 - $4 = $2

In boxes of 8, each calculator costs $2 less.

aev [14]3 years ago
5 0

Answer:

Buying boxes of 8 calculators each for $32 is $2 cheaper than the buying boxes of 5 calculators each

Step-by-step explanation:

If boxes of 8 calculators cost $32, then each box of calculator will cost

$32/8 = $4

If Boxes of 5 calculator cost $30, then each box of calculator will cost

$30/5 = $6

The difference between the two price is $6 - $4 = $2

Therefore buying boxes of 8 calculators each for $32 is $2 cheaper than the other

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A student uses the method of successive approximations to estimate a positive solution of f(x) = g(x), where f(x) = x2 + 10 and
serious [3.7K]

Answer:

The next number selected should be between 2 and 3 .

Step-by-step explanation:

x. x    f(x)             g(x)

0        10               17

1           11              19

2          14              21

3          19              23

4         26             25

3.5      22.25        24

<u>2.5      16.25         22</u>

1.5       12.25        20

0.5       10.25       18

We see the pattern that it is increasing with only a unit. The last given data is mid of the last two values that is 3 and 4.

So the next value would be the mid of the next last two values that is 2 and 3 and will be 2.5

Now it is moving in the reverse direction in the same pattern  with a difference of a unit.

7 0
3 years ago
Javier rode his bike for a total of 41 minutes. Before lunch, he rode 1 minute less than 5 times the number of minutes he rode a
myrzilka [38]
 then 

<span>(5x-1)+x = 41 </span>
<span>6x=42 </span>
<span>x=7 </span>

<span>so, he rode 34 minutes before lunch. </span>34 minutes before lunch
4 0
4 years ago
De un total de 24 niñas 1/4 practican natación, 1/2 juega volibol y el resto no practica ningún deporte. ¿Cuántas niñas no pract
masya89 [10]

Answer:

6 niñas no practican ningún deporte.

Step-by-step explanation:

De un total de 24 niñas, \frac{1}{4} practican natación. Esto se expresa mediante la operación matemática:

\frac{1}{4} *24

Para multiplicar una fracción por un número entero, cualquier entero n puede ser escrito como la fracción \frac{n}{1}. Entonces en este caso:

\frac{1}{4} *24=\frac{1}{4} *\frac{24}{1}

Ahora se multiplican los denominadores para obtener el denominador final y se multiplican los numeradores para obtener el numerador final:

\frac{1}{4} *24=\frac{1}{4} *\frac{24}{1}=\frac{1*24}{4*1}=\frac{24}{4}

Finalmente, se reduce el resultado hasta llegar a la forma más simple. Para obtener un resultado simplificado, se divide el numerador por el denominador.  En este caso, para reducir la fracción \frac{24}{4}, se divide 24 por 4. El resultado obtenido es 6. Esto indica que de un total de 24 niñas, 6 practican natación.

Por otro lado, de un total de 24 niños, \frac{1}{2} juegan voleibol. Esto se expresa mediante la operación matemática:

\frac{1}{2} *24

Resolviendo de manera similar a lo previamente calculado, se obtiene:

\frac{1}{2} *24= 12

Esto indica que de un total de 24 niñas, 12 practican voleibol.

Por lo que 6 niñas practican natación y 12 voleibol, siento un total de 18 niñas las que practican algún deporte. Por lo que la cantidad de niñas que no practican ningún deporte se calcula mediante:

24 niñas - 18 niñas que practican algún deporte= 6 niñas

<u><em>6 niñas no practican ningún deporte.</em></u>

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3 years ago
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LekaFEV [45]

Answer:$451

Step-by-step explanation:

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