Question

What is the sum of y and 42 is at least 150

Answer 1

Answer:

$y + 42 \geqslant 150 \\ y \geqslant 150 - 42 \\ y \geqslant 108$

Answer 2

Answer:

$y + 42\geqslant150 \\ y \geqslant 150 - 42 \\ \boxed{y \geqslant 108}$

y≥108 is the right answer.