<p>^ Actually, this time it’s the algebra that wastes time. Just look at the chart. The difference between the two values is steadily dropping. It starts off at $5, then $4, $3, $2…you can be pretty confident that in two more steps, the difference will be down to $0…</p>
<p>Hmm… Well i usually have like 10 minutes left over.</p>
<p>@pckeller ur right, I never noticed, noticing sequences has always been my weakness.</p>
<p>thank u guys :)</p>
<p>@BallsBalls actually i like ur way of writing everything in the equation instead of adding numbers after i finish solving the equation</p>