Substitute values into a formula
A tank contains some water before a tap fills it at a constant rate
V is the water volume in litres and t is the filling time in minutes. The tank holds 300 litres
\[V = 38 + 5t\]
\[t = 11\]
A tank contains some water before a tap fills it at a constant rate
V is the water volume in litres and t is the filling time in minutes. The tank holds 300 litres