Answer
$\frac{3.5}{91}$=$\frac{5.25}{126}$
false
Work Step by Step
Barry's proportion is wrong because the numerators and denominators do no have the same units, one of them needs to be flipped.
$\frac{3.5}{91}$=$\frac{5.25}{126}$
126$\times$3.5=55.25$\times$91
441$\ne$477.75
false