12-05-2016
Mathematics

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whats 30+30×b=100 please

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SmarticalParticals SmarticalParticals

12-05-2016

First multiply

30 + 30 × b = 100
30b + 30 = 100

subtract 30 from each side

30b = 70

divide each side by 30

b = 70/30 = 7/3 = 2 1/3

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malkies malkies

13-05-2016

30 +30= 60
60b=100
B=40

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