30% of 42 is 12.6$.
42-12.6 = 29.4$ is the price of the pair with discount applied.
Tax 7%
29.4 * 7% = 2.06
29.4$ + 2.06$ = 31.46 $ final price with discount and tax applied.
Percentage of a number.
$49,000 x .127 = $6,223 is the decrease
$49,000 - $6,223 = $42,777
As both are moving in the same direction ,both<span> will travel the </span>same distance<span> till catch up time --</span><span>d</span>
