70℅ = 14
100 = X
70X = 1400
X = 1400/70
X = 20
20 Euros is the full price
There are 63 cornstalks in total
You marked the right answer. It is true. XD
What you can do is start with the key details in it... the main ones are that the bacteria grows every 30 minutes, you start with 1 bacteria, and the end time is 180 minutes. Basically you know that 3 goes into 18 6 times so 30 goes into 180 6 times which means that if you started with 1 bacteria you will end up with 7. Understand?
