Ms. Bordelon bought 3packs of pens and 4 binders for a total cost of $16.75 . Mr . Overman bought 2 packs of pens and 5 binders for a total cost of $17.00. How much does one binder cost

$2.50

Step-by-step explanation:

We can set up a system of equations, where p is the price of one pack of pens and b is the price of one binder.

3p + 4b = 16.75

2p + 5b = 17

We can solve by elimination by multiplying the top equation by -2 and multiplying the bottom equation by 3.

-6p - 8b = -33.5

6p + 15b = 51

Add them together:

7b = 17.5

b = 2.5

"it's not the heat, it's the humidity".   that's a partly valid phrase you may have heard in the summer, but it's actually both.   the heat index, also known as the apparent temperature, is what the temperature feels like to the human body when relative humidity is combined with the air temperature.   this has important considerations for the human body's comfort.   when the body gets too hot, it begins to perspire or sweat to cool itself off.   if the perspiration is not able to evaporate, the body cannot regulate its temperature.   evaporation is a cooling process.   when perspiration is evaporated off the body, it effectively reduces the body's temperature.   when the atmospheric moisture content (i.e. relative humidity) is high, the rate of perspiration from the body decreases.   in other words, the human body feels warmer in humid conditions.   the opposite is true when the relative humidity decreases because the rate of perspiration increases.   the body actually feels cooler in arid conditions.   there is direct relationship between the air temperature and relative humidity and the heat index, meaning as the air temperature and relative humidity increase (decrease), the heat index increases (decreases).

step-by-step explanation:

no

step-by-step explanation:

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