Question

Please help... #18 and #28

Answer 1

I hope this helps you

Answer 2

18
$19 \geq \frac{x}{90} -25$
add 25 to both side
$44 \geq \frac{x}{90}$
times 90 to both sides
3960≥x


I just answerd 28
$\frac{x+5}{3} \leq 2$
times both sides by 3
x+5≤6
minus 5 both sides
x≤1