Question

Math word problem>???

Answer 1

http://gyazo.com/66023009ca9678a7543783d70b238032

^^ problem is in the screen shot

Answer 2

You can use the quadratic formula to solve for the value of t

You have: 25 = 3 + 40 t -16t^2
simplify it and arrange it in standard form (\(\sf ax^2+bx+c=0\)):
\(\sf -16t^2+40t+3-25=0\\-16t^2+40t -22=0\)

a = -16
b= 40
c= -22

apply quadratic formula: