3 years ago

Charles buys 60 packs of pens.

Mathematics

1 answer:

Stella [2.4K]3 years ago

6 0

I think he lost profit ( - 7.59) but I don’t know

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Use the distributive property to simplify the expression<br> 5(3 +x) – 2

insens350 [35]

5(3 +x) – 2 = (5+3)*(5+x)

(8-2)*(5x-2)

6*5x-2

this Is what I came up with.

4 0

4 years ago

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Solve the equation 3/4x+3-2x = -1/4+1/2x+5

elena55 [62]

Hi there! The answer is x = -1

Let's solve this equation step by step!
$\frac{3}{4} x + 3 - 2x = - \frac{1}{4} + \frac{1}{2} x + 5$

First collect terms.
$- 1 \frac{1}{4} x + 3 = \frac{1}{2} x + 4 \frac{3}{4}$

Subtract (1/2)x from both sides.
$- 1\frac{3}{4} x + 3 = 4 \frac{3}{4}$

Subtract 3 from both sides.
$- 1\frac{3}{4} x = 1 \frac{3}{4}$

And finally divide by -1 3/4
$x = \frac{7}{4} \div - \frac{7}{4} = \frac{7}{4} \times - \frac{4}{7} = - \frac{28}{28} = - 1$

8 0

4 years ago

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Who walks at a faster rate: Jake who walks 60 feet in 10 seconds or Lucy who takes 5 seconds to walk 25 feet?

My name is Ann [436]

Answer:

Jake

Step-by-step explanation:

The average rate of change is distance divided by time. You want both of their rates in feet per second. 60 feet divided by 10 seconds is 6 feet per second. 25 feet divided by 5 seconds is 5 feet per second. 6>5

6 0

3 years ago

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A construction crew has just finished building a road. The crew worked for 10 days. If they built 314 kilometers of road each da

Klio2033 [76]

Answer:

3140

Step-by-step explanation:

If they made 314 kilometers per day and they worked for 10 days, multiply:

$314*10=3140$