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katrin2010 [14]
3 years ago
10

Write an algebraic expression for 15 decreased by twice a number

Mathematics
2 answers:
horsena [70]3 years ago
6 0
15- (y2) should get you the answer... Hopefully.<span />
Daniel [21]3 years ago
5 0
The expression would be:
15-2x

Hope this helps!
-Benjamin
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Step-by-step explanation:

Equation Model:

Let m be the number of magazines Lee sold.

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Let me show another way: In the image above 20% is equal to 8 so if we use 8 and 20% and try to reach our way up to 100% (How much Lee sold in total) then we will get our answer.

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Therefore Lee sold 40 magazines.

Hope that makes sense! If you have any more questions or need further clarification then please comment down below or message me! Good luck!

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