<span>The inner core is made of solid iron, and it is surrounded by the liquid iron of the outer core. It is solid because the extreme pressure at the center of the earth prevents it from melting, despite the unimaginable temperatures.</span>
Check out -m-a-t-h-w-a-y-.-c-o-m- (This helps a lot!)
T=the amount of shirts
12t-20-8t=100
12t-8t=120
4t=120
t=30
So they must sell at least 30 shirts to make $100.
<span>the sum of three consecutive integers is three times the second integer. Set up an equation that models this statement and show by solving the equation, that this equation will always be true for any three consecutive integers </span>
