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In which proportion does x have a value of 4?
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15 votes
In which proportion does x have a value of 4?

In which proportion does x have a value of 4?-example-1
User Ktusznio
by
3.2k points

1 Answer

10 votes

Answer:

B

Explanation:

Using the method of cross- multiplication

A

7x = 252 ( divide both sides by 7 )

x = 36 ≠ 4

B

21x = 84 ( divide both sides by 21 )

x = 4

C

5x = 2 ( divide both sides by 5 )

x = 0.4 ≠ 4

D

5x = 200 ( divide both sides by 5 )

x = 80 ≠ 4

The proportion where x = 4 is B

User Tomalex
by
3.3k points
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