2 years ago

39=1 3/10b what will be the answer show work

Mathematics

1 answer:

Lubov Fominskaja [6]2 years ago

4 0

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

Answer: 30

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