Question

A model aeroplane costs £3.40. James gets a special deal. When he buys two airplane, he saves 20% of the total price. How much does he save altogether

Answer 1

The answer is $1.36 because you have to add $3.40+3.40 because he buys two airplanes. Afterwards you multiply times .20 and get 1.36 because you always have to move 20% two places to the left