This would be 4/9 since You can divide both by ten and nothing else after that due to the fact that they both end in 0 and are multiples of 10 making the answer 4/9
Step-by-step explanation:
(b) If
then
Note that
cancel out so we get

Solving for
we get

(c) I'm not sure what the problem is asking for but here goes. As r doubles,
becomes

30+6 = 36, 6/36 = 1/6, the probability is 16.66 %
It should be either the last one or the first one but it will probably be the last one.
Answer:
A
Step-by-step explanation:
.......... the answer is from my side if it is wrong you can report my answer..