Question

50x + 100x + 10x + 10x + 10x + 10x = ????

Answer 1

Solution:

50x + 100x + 10x + 10x + 10x + 10x

$\implies$ 50x + 100x + 10x + 10x + 20x

$\implies$ 50x + 100x + 10x + 30x

$\implies$ 50x + 100x + 40x

$\implies$ 50x + 140x

$\implies$ 190x

Answer 2

$50x + 100x + 10x + 10x + 10x + 10x = \\ \\ = \geqslant 150x + 20x + 20x = \\ \\ \geqslant 150x + 40x = \\ \\ \geqslant 190x$