[tex]\begin{gathered} \text{If a single rose cost 2.35 and the discount shows 40\% 'off', then} \\ \text{Amount of discount=}\frac{40}{100}\times2.35 \\ \text{Amount of discount=}\frac{2}{5}\times\frac{2.35}{1} \\ \text{Amount of discount=}\frac{4.7}{5} \\ \text{Amount of discount=0.94} \end{gathered}[/tex]
The amount of the discount on a single rose is $0.94
OR
94 cents