asked 35.9k views
4 votes
7b ÷ 12 = 4.2                  What is b?

2 Answers

5 votes
7b / 12 = 4.2

4.2 * 12 = 50.4

50.4 / 7 = 7.2
answered
User Tuomur
by
8.2k points
5 votes

(7b )/(12) = 4.2 \ \ /*12 \\ \\7b=4.2*12\\ \\7b= 50.4 \ \ \/:7\\ \\(7)/(7) \ b= (50.4 )/(7)\\ \\b= 7.2


answered
User Tim Gradwell
by
8.5k points
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