Open this web, the web is really - really helps....................................
http://www.coolmath.com/algebra/08-lines/11-finding-equation-line-point-slope-01
Answer: 7
Step-by-step explanation: 7 is the y intercept in the slope intercept form. y=slopex+y-intercept
Answer is:<span>
= <span><span>48<span>y7 -</span></span> <span>5<span>y.</span></span></span></span>
<span>1.6m − 4.8 = −1.6m
<u>- 1.6m -1.6m
</u> -4.8 = -3.2m
<u>
</u>divide both sides by -3.2
m = 1.5</span>
440...marked down by 30% means u pay 70%
70% of 440 = 0.70(440) = 308
308 ..marked down by 10% means u pay 90%
90% of 308 = 0.90(308) = 277.20 <== price after markdowns