Answer
100,000
Work Step by Step
1250 =1.25% $\times$ x translate to an equation
1250 =0.0125 $\times$ x write 1.25% as decimal
$\frac{1250}{0.0125}$=$\frac{0.0125x}{0.125}$
$\frac{12500000}{125}$=x
x=100000
1250 is 1.25% of 100,000.