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81/b=9/4 PLEASE HELP FAST
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2 votes
81/b=9/4
PLEASE HELP FAST

User Stumf
by
6.7k points

1 Answer

3 votes

Answer:

b=36

Explanation:

81. 9

--- = ----

b. 4

You have to cross multiply and divide:

81 ×4 = 324

324 ÷ 9 = 36

b=36

hope this helps!

User Leonard AB
by
7.8k points
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