Question

a student scored 64% of the total marks .if she got 176 what was the total marks of that examination

Answer 1

persentage=176/x*100=64
17600=64x
x=17600/100
x=250

Answer 2

$let \: the \: total \: marks \: be \: x \\ \frac{176}{x} \times 100 = 64 \\ \frac{176}{x} = \frac{64}{100 } \\ 17600 = 64x \\ x = \frac{17600}{64} \\ x = 250 \: marks$