Question

what when increased by 27% becomes 508

Answer 1

let the number be x.
given that x+ (27x/100) =508
solving this eqn x=400

Answer 2

$/(100x+27x)/100 =508 \\ 127x/100 =508 \\ x=(508*100)/127 \\ x=50.800/127 \\ x=400$