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What is the value of b? 0.4(3b+10)=19
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this question answer is b is equal to 12/19
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0.4*3b+0.4*10=19
1.2b+4=19
1.2b=19-4
1.2b=15
b=15/1.2=150*12
=12.5
1.2b+4=19
1.2b=19-4
1.2b=15
b=15/1.2=150*12
=12.5
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