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disa [49]
2 years ago
10

Solve the equation 3(x+4.5x ) = 36. Explain your reasoning THOROUGHLY.

Mathematics
1 answer:
Vesna [10]2 years ago
3 0

Answer:

x \approx 2.18

Step-by-step explanation:

3(x+4.5x)=36

we can use the distributive property and get

3(x)+3(4.5x)=36\\\\3x+13.5x=36\\\\

and we can add like terms

(3+13.5)x=36\\\\16.5x=36

and know we divide both sides by 16.5

16.5x*(\frac{1}{16.5})=36*(\frac{1}{16.5})\\\\x=\frac{36}{16.5}

and doing the dvision we get that

x\approx 2.18

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Logan bought 35 balloons six-sevenths of the balloons are purple, how many of the balloons are purple?
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Answer:

128

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Set this up as a proportion with miles on the top and km on the bottom:

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