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Mathematics 8 Online
OpenStudy (anonymous):

Solve for “?” by finding a pattern that utilizes every number within each arrangement. The third arrangement will have the same pattern as the first two arrangements. 14= 9,3,8,6.... 16= 10,2,7,3 .... and ?= 11,8,17,4

OpenStudy (ranga):

Add the first three numbers and subtract the fourth number.

OpenStudy (anonymous):

thank you so much , wow.

OpenStudy (ranga):

You are welcome. Is this from a puzzle book?

OpenStudy (anonymous):

Well theres another one i don't quit get its , 29= 2,5,7,3 ... 51= 9,10,6,1,.... and ?= 3,8,9,5, Solve for “?” by finding a pattern that utilizes every number within each arrangement. The third arrangement will have the same pattern as the first two arrangements. can you also explain the formula for this?

OpenStudy (ranga):

Pattern is: (second number x third number) - (first number x fourth number)

OpenStudy (anonymous):

thank you again!!!!!!!!!!!

OpenStudy (ranga):

You are welcome.

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