



 
Hi Meghan, I think you have probably done what was expected.
and what remains is to find two consecutive integer with their product being 90. For the second problem 6Pn = 6 5 4 ... and you continus until you get a product of 720. So for example if the problem had been to find k is 6Pk = 360 then, since 6 5 4 3 = 360 = 6!/2! = 6P4, k = 4. Penny  


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