relative minimum is -2 when x is -3
<span>3t – 6t + 8 – 7t = – 2
Simplify and combine Like-Terms
</span><span><span><span>3t + −6t + 8 </span>+ </span>− 7t </span>= <span>−<span>2
</span></span><span><span>(<span><span>3t+<span>−6t</span></span>+<span>−7t</span></span>) </span>+ (8) </span>= <span>−<span>2
</span></span><span><span>−10t </span>+ 8 </span>= <span>−<span>2
Subtract 8 from each side
</span></span><span><span><span>−<span>10t </span></span>+ 8 </span>− 8 </span>= <span><span>−2 </span>− <span>8</span></span>
-10t = -10
Divide each side by -10
-10t ÷ -10 = -10 ÷ -10
t = 1
Percent increase = (new number - original number) / original number...* 100
= (39.99 - 29.62) / 29.62....* 100
= 10.37 / 29.62....* 100
= 0.35 * 100
= 35% markup <===
