How do you solve 39= 1 3/10b

asked May 11, 2016 149k views

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6 votes

39= 13/10 * b
39= 1.3 *b ( 13 divided by 10= 1.3)
39/ 1.3= b (39 divided by 1.3)
30=b
Answer is 30

Mark Druffel answered May 11, 2016

7.5k points

1 vote

1 3/10·b=39
(1·10+3)·b/10=39
13b/10=39
13b=39·10
13b=390|:13
b=30

Answer: 30

Saurabh Ranu answered May 16, 2016

7.8k points

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