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FromTheMoon [43]
3 years ago
12

What is the sale price of $7.50 20% off 5.75% tax

Mathematics
2 answers:
V125BC [204]3 years ago
6 0
I think the answer is $5.66
Setler79 [48]3 years ago
6 0
Assuming that you mean 20% off of $7.50 and then taking 5.75% tax of that, then you would:
- Take 20% of $7.50 (turn 20% into a decimal and multiply it by 7.50)
.2 * 7.50 = 1.5
This 1.5 is the amount that is being taken off, because it is 20% off. So to get 20% off you would subtract 1.5 from 7.5 to get $6 total. 
After you get your $6 total, you need to:
- Take 5.75% of $6 (turn 5.75% into a decimal and multiply it by 6)
.0575 * 6 = .345
This .345 is being added, but remember that we're dealing with money which should really only go to two decimal places, so it's safe to round up and say .35 instead of .345. 
From this, add .35 to 6 and that will get you your final dollar amount. 
6 + .35 = $6.35
Remember that we add the tax and not subtract it because tax is something extra that we pay on goods.

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At the end of 2006, the population of Riverside was 400 people. The population for this small town can be modeled by the equatio
andriy [413]

The correct format of the question is

At the end of 2006, the population of Riverside was 400 people. The population for this small town can be modeled by the equation below, where t represents the number of years since the end of 2006 and P represents the number of people. P = 400 ( 1.2 )^ t Based on this model, approximately what was the increase in the population of Riverside at the end of 2009 compared to the end of 2006?

(A) 291

(B) 691

(C) 1040

(D) 1440

Answer:

The increase in the population at the end of 2009 is 291 people

Step-by-step explanation:

We are given the equation as P = 400 ( 1.2 )^ t

where

P = No of People

t= No of Years

it is given that in the year 2006 the population is 400

this will only happen when we take t= 0

so for

Year    value of t

2006-    t = 0

2007-    t  = 1

2008-    t = 2

2009     t = 3

No of people in 2009 will be

P = 400(1.2)^3

     = 400*1.728

   P  = 691.2

Since the equation represents no of people so it can't be in decimals, Therefore the population will be 691

Increase = P(2009) - P(2006)

               = 691 - 400

                = 291

The increase in the population at the end of 2009 is 291 people.

4 0
3 years ago
Please help i need it !!!
Sedbober [7]

Answer:

x=7

Step-by-step explanation:

3 0
3 years ago
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