Question

Find the number which when decrease by 15% become 1360.

Answer 1

Let the number be $x$, then $x-15\%ofx=1360$
$(x-\frac{15}{100}x)=1360$
$\frac{(100x-15x)}{100}=1360$
$85x=1360\times 100$
$85x=136000$
$x=\frac{136000}{85}$
$x=1600$
Hence, the number is 1600