DavidTutorexamPAL wrote:
(2) Say we had 10 nickels. Then this was increased to 11 and we would have 22 dimes in the bag.
This is enough to calculate the ratio!
If we try different numbers of nickles, we can SEE that we will always have 2*(n+1) dimes in the bag
Sufficient!
If that were true -- if any time you had n nickels, you had 2(n+1) dimes -- then the Statement would not be sufficient. The question asks for the ratio of nickels to dimes, and the ratio n/2(n+1) is different for different values of n.
It is not
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