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ElenaW [278]
2 years ago
9

Can somebody help me pleaseeee

Mathematics
1 answer:
GREYUIT [131]2 years ago
3 0
To solve, turn each percent into a decimal:
(Divide each percent by 100)
28   -----> .28
25.9  -----> .259
25.4  ------> .254
16.8  -------> .168
5.6 -------> .056

Then multiply the new decimals by the total, 400000, and then add them all up.

.28 x 400000 = 112000
.259 x 400000 = 103600
.254 x 400000 = 101600 
.168 x 400000 = 67200
.056 x 400000 = 22400
___________________
Add them all together and you get 406800

Hope this helps!
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2 years ago
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This is substitution, it's very simple once you get the hang of it! 

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First, you plug in the numbers.

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Use the expression -3/7+10
Aleks [24]

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Multiplying through out by -, we get:

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8 0
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