Solve each equation: LaTeX: 2x=5

x =

LaTeX: y+1.8=14.7

y =

LaTeX: 6=\frac{1}{2}z

z =

LaTeX: 3\frac{1}{4}=\frac{1}{2}+w

w =

LaTeX: 2.5t=10

t =

The cost of a taxi ride includes an initial charge of $2.00. if a 5km ride cost $6.00 and a 10km ride cost $10.00, determine the cost of a 15km ride.