Your answer would be 3 boxes are filled every 4 minutes
A in the payment or withdrawal amount because he is withdrawing money and paying someone else <span />
use equation A(t) = a(1+r)^t to solve. you want to find the starting so solve for A
1000 = a(1+.03)^5
1000 = 1.1592740743a
a = $862.61
The surface area of a regular tetrahedron with edge length s is
... A = (√3)s²
For your edge length of 4 inches, the surface area is
... A = (√3)(4 in)² = 16√3 in²
90 + 12/5 x 60=90 + 144 +100= 334
so 334 would be your answer
