Question

Crispy Clover, a popular vegetarian restaurant, introduced a new menu that has 20% more dishes than the previous menu. The previous menu had D dishes.

Which of the following expressions could represent how many dishes Crispy Clover’s new menu has?
CHOOSE 2 ANSWERS

Answer 1

1.2D and D+1/5D

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

​

Answer 2

So, 20% is equal to .2.

If it has 20% more, it must mean that it is 1.2 of the previous menu (Because it is 100 percent, plus an extra 20)

Another way to represent this is

D (100 % of the previous menu) + 1/5 (20%) D (Of the previous menu)

The correct answers are A and B