The entire band decides to have a concert to raise the money for trip. tickets for the concert will cost $7.50 each. a local business agrees to donate an additional $0.50 for each $1.00 in tickets sales to the band for their trip. what is the least number of concert tickets the band must sell in order to raise the rest of the money needed for the trip?

Given that cost of 1 concert ticket = $7.50

Given that "a local business agrees to donate an additional $0.50 for each $1.00 in tickets sales to the band for their trip."

Donation $0.50 is half of $1. So that means you are getting half of the ticket price as donation

half of $7.50 is $3.75

So the effective collection per ticket = original cost + donation = $7.50 + $3.75 = $11.25

Money needed for trip is not given so let it be x.

Now the least number of tickets that needs to be sold is given by x/11.25

2.   2 3/5.

3.   2 1/2.

step-by-step explanation:

6 - 3 2/5

= 6 -   17/5

= 30/5 - 17/5

= 13/5

= 2 3/5 (answer).

5 1/4 - 2 3/4

= 21/4 - 11/4

= 10/4

= 2 1/2 (answer).

"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: