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timurjin [86]
3 years ago
9

Does anyone know how to do simple interest for 7th grade math? I need a tutorial or an example please, thanks. A question exampl

e is $750, 7%, 3 years.
Mathematics
1 answer:
lions [1.4K]3 years ago
3 0

Answer:

750/100 X 7 = 52.50

52.50 X 3 = $157.50

Step-by-step explanation:

divide principal amount by 100 then multiply by interest percentage. this gave 52.50

now multiply the interest amount by number of years

in this case 3

52.50 X 3 = $157.50

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devlian [24]

Answer:

<u>x = 58</u>

Step-by-step explanation:

180 - 148 = 32

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Have a nice day!

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3 years ago
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A salesperson made a $128 commission selling merchandise. His commission rate was 5%. What is the dollar amount of his sales. Sh
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It is 2,560 u have to divide 
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3 years ago
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Can any one help me
emmainna [20.7K]
I think you set up the equation like this

$2.50x+5

I hope I helped sorry if I didn't.

8 0
3 years ago
Please answer this correctly without making mistakes I want ace expert and genius people to answer this correctly without making
sergejj [24]

Answer: 38

Step-by-step explanation: to evaluate an expression for these variables, plug in those numbers for the variables.

Plugging in -1 for y and -19 for z gets you this:

-2(-1)^2(-19)

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-2(-19) = 38

Your answer is 38

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3 years ago
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