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Elena-2011 [213]
3 years ago
12

Increase 270 by 20%​

Mathematics
2 answers:
Nana76 [90]3 years ago
5 0

Answer:

first find 20 percent of 270

270 times 20 divided by 100

5400 divided by 100

54

270 plus 54

324 is your final answer

-hope this helps!

Viktor [21]3 years ago
5 0

Answer:

324

Step-by-step explanation:

10% of 270=27

27*2=54

20%=54

270+54=324

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======

EXPLANATION:

Let x be number of $5 bills

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\left\{ \begin{aligned} x + y &= 38 && \text{(I)} \\ x + 2y &= 44 && \text{(II)} \end{aligned} \right.

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\begin{aligned} x + y &= 38 && \text{(I)} \\ y &= 38 - x \end{aligned}

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\begin{aligned} x + 2y &= 44 && \text{(II)} \\ x + 2(38 - x) &= 44\\ x + 76 - 2x &= 44 \\ -x &= -32 \\ x &= 32 \end{aligned}

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y = 38 - 32 = 6

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