Question

Find the complement of 2/7

of 140.​

Answer 1

Answer:

Let the complement be x

Step-by-step explanation:

Sum of Complements = 90

$\sf \: x + \big( \frac{2}{7} \times 140\big) = 90 \\ \\ \sf \: x + 40 = 90 \\ \\ \sf \: x = 50$

Hope it helps.