Solve for b
b = \frac{217}{5} = 43\frac{2}{5} = 43.4
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5\times 5b=7\times 155
Multiply both sides of the equation by 35, the least common multiple of 7,5.
25b=7\times 155
Multiply 5 and 5 to get 25.
25b=1085
Multiply 7 and 155 to get 1085.
b=\frac{1085}{25}
Divide both sides by 25.
b=\frac{217}{5}
Reduce the fraction \frac{1085}{25} to lowest terms by extracting and canceling out 5.
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