<span><span>Okay, so let's start by setting up this problem:
</span>(original number=x)(percentage=.06)=(percentage of original number)</span>
So it should look like this:
<span>(x)(.06)=51 Now we should divide .06 from each side
</span><span>x=850 And there we go! 850 is the answer.
i hope this help
</span>
25% chance of guessing each question correctly
50% chance to guess one correctly
3+5+7 = 15 total marbles
3 are red
so she has a 3/15 reduces to 1/5 probability of picking a red one
15. 1hour 7minutes and 5seconds
