The mass of the battery in the electric car is 420 kg.
The total mass of the electric car is 1610 kg.
Calculate the mass of the battery as a percentage of the total mass of the electric car.

To find the mass of the battery as a percentage of the total mass, we use the formula: Percentage = (Part Value / Total Value) × 100 In this case: - Part Value = mass of the battery = 420 kg - Total Value = total mass of the car = 1610 kg Calculation: Percentage = (420 / 1610) × 100 Percentage = 0.260869... × 100 Percentage = 26.0869... % Rounding to one decimal place gives 26.1%. An answer of 26% would also likely be accepted.