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Maths-

SAT

Easy

Question

ka + nb = 10
The given equation relates the positive numbers a, b, k, and n. Which of the following correctly expresses a in terms of b, k, and n ?

$a = 10 - \frac{k}{n b}$
$a = 10 - \frac{n b}{k}$
$a = \frac{10 - k}{n b}$
$a = \frac{10 - n b}{k}$

The correct answer is: $a equals fraction numerator 10 minus n b over denominator k end fraction$

Given ka + nb = 10
Ka = 10- bn
$a equals fraction numerator 10 minus b n over denominator k end fraction$

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