Step-by-step explanation:
=> 45 + 4x > 125
=> 4x > 125 - 45
=> 4x > 30
=> x > 30/4
=> x > 7.5
Answer:
-0.606
:)
5^n-1
5^n-1*30
$56.67
$30+$21.50+$50=101.50
$101.50-$18=$83.50
$83.50-$26.83=$56.67
