If you wanted to plant a certain number of flowers, but knew that 1 in 5 would not grow, how many flowers would you need to plant if you want a total of 20?  Choose the correct choice from the following answers
A) 20
B) 30
C) 28
D) 25
E) 32
20 / (5-1)= 
<gadget id="calculator">20 / (5-1)</gadget>
<output>5</output>
5   5 * 5= 
<gadget id="calculator">5 * 5</gadget>
<output>25</output>
25   25 - (5-1)= 20   The correct answer is 25
<result>D</result>
If you wanted to plant a certain number of flowers, but knew that 1 in 5 would not grow, how many flowers would you need to plant if you want a total of 20?