That is true that microwave ovens cause friction to water molecules
Answer:
18.75%
Step-by-step explanation:
720 - (209+376) =
720 - 585 = 135
135/720 = 0.1875 --> 18.75%
Answer:
17.74
Step-by-step explanation:
The fraction is easily converted to one with a denominator of 100 (a power of 10):

Then the number of interest is ...
17 37/50 = 17 74/100 = 17.74
This question cannot be answered with the details provided. How many coins are there to start with? Probability works by taking favorable outcomes divided by total outcomes. Without the total number of either, any question like this is impossible to solve.
It would be 10:15, which can be simplified to 2:3 if you divide by 5. Hope this helps!