Question 857376
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Hi,
{{{B = 175(1.5+B/300)}}}
{{{B = 175((1.5*300+B)/300)}}}
{{{B = 175((450+B)/300)}}}
 300B = 175*450 + 175B
 125B = 175*450 
    B = {{{175*450 /125 = 630}}}
Generally recommend keeping numbers intact for final solution
feel there is less chance of error that way
Wish You the Best in your Studies.