## Introductory Algebra for College Students (7th Edition)

Substitute the given weight and solve for t. $W=3t^2$ Substitute the weight for W. $192=3t^2$ Divide both sides by 3. $192 \div3=3t^2\div3$ Simplify. $64=t^2$ Take the square root of each side. $\sqrt{64}=\sqrt{t^2}$ Simplify. $8=t$