Question

If 90°/• of x is 315km, then the value of x is

Answer 1

Step-by-step explanation:

$90\% \: of \: x \: = 315 \\ \\ \therefore \: \frac{90}{100} \times x = 315 \\ \\ \therefore \: x = 315 \times\frac{100}{90} \\ \\ \therefore \: x =\frac{31500}{90} \\ \\ \: \: \: \huge \orange{ \boxed{ \therefore \: x =350}}$