In the diagram below the rows of green tiles are surrounded by white tiles. Find a formula for the number of white tiles which would be needed to surround a row of n green tiles.
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Answer:
2n+6
Step-by-step explanation:
3 green ---- 2(3)+6 White
5 green---- 2(5)+ 6 White
this means for
n green ---- 2n+6 White
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