Answer
150
Work Step by Step
42% of what number is 63?
42% $\times$ x =63 Translate to an equation
0.42 $\times$ x=63 Write 42% as decimal
$\frac{0.42 \times x}{0.42}$ =$\frac{63}{0.42}$ Divide both sides by 0.42
x= $\frac{6300}{42}$
x = 150
63 is 42% of 150.
Check
42% $\times$ x =63
0.42 $\times$ 150 =63
63=63