Y = MX + B —> W = MN + B
1st Find Slope
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M = (7.00 - 4.20)/(5 - 3) = 2.80/2 = 1.4
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2nd Plug-In one Point used to find Slope
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W = MN + B
7.0 = 1.4(5) + B
7.0 = 7 + B
0 = B
So.. W = 1.4N <— Answer #1
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3rd Plug-In N = 4
W = 1.4N
W = 1.4(4)
W = 5.6 <— Answer #2
