Answer:
1.2D and D+1/5D
Step-by-step explanation:
The previous menu had \maroonD{D}Dstart color maroonD, D, end color maroonD dishes, and there are 20\%20%20, percent more dishes on the new menu.
So there were \greenD{20\%\cdot D}20%⋅Dstart color greenD, 20, percent, dot, D, end color greenD more dishes on the new menu compared to the old menu.
Hint #22 / 5
That means there are a total of \greenD{20\% \cdot D} + \maroonD{D}20%⋅D+Dstart color greenD, 20, percent, dot, D, end color greenD, plus, start color maroonD, D, end color maroonD dishes on the new menu.
Hint #33 / 5
Because 20\%20%20, percent means 202020 per hundred, we can write it in equivalent forms.
\begin{aligned} 20\%&=\dfrac{20}{100}\\\\ &=\dfrac{1}{5}\\\\ &=0.2 \end{aligned}
20%
=
100
20
=
5
1
=0.2
