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BartSMP [9]
2 years ago
5

PLEAS HELP ASAP PLEAS 20 points 1 over 3b = 4 over 5. what equals b in this equation?

Mathematics
1 answer:
White raven [17]2 years ago
8 0

Answer:

b = 5/12

Step-by-step explanation:

You have the proportion

1/(3b) = 4/5        

Cross multiply to get rid of the fractions...

5 = 12b                now solve for b

5/12 = b                 (divide by 12 on both sides)

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Answer:

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Step-by-step explanation:

Add 10x to both sides:

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-10x - 135 + 10x = 117 + 2x + 10x

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Subtract 117 from both sides:

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So the answer is C.

Hope this helps!

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