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5 votes
GI=5b+1, HI=4b-5, HI=7

1 Answer

3 votes
7=4b-5
7+5=4b
12=4b
b=3

GI=5(3)+1 (its GI= 5 times (3)+1 by the way)
GI=15+1
GI=16

well... this is my answer and I hope this helps!! :)

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