3 years ago

Need help figuring out how to do this

1 answer:

7 0

$\dfrac{21}{14} = \dfrac{x}{20}$

Cross-Multiply:
$14x = 21 \times 20$

Simplify:
$14x = 420$

Divide both sides by 14:
$x = 30$

Answer: x = 30

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