You are told that there are individual brown socks and black socks in a drawer in the ratio of five black socks for every four brown socks. How many socks do you have to pull out of the drawer to be certain to have at least one pair of either color?
And let’s say that to buy a bat and a ball...
Mellow and I say 8hrs.
Ok, let's say they started at the same time. After 6 hours, she would have the full length of the first fence painted, and since he paints half as fast, he would have half that distance painted which is equal to half the length of the first fence.
So after 6 hours they...
How long will it take to paint a fence twice as long if they work together?
It took me over 10 minutes to get what I think is the right answer. I'm not good with math though I think it is hugely fascinating.
I don't usually go for problems like this but for some reason this one hooked me...
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