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Find the maximum value of x+y given that x>=-3 y>=5x-9 3x+y<=15
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Find the maximum value of x+y given that x>=-3 y>=5x-9 3x+y<=15
asked
Dec 24, 2016
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Find the maximum value of x+y given that
x>=-3
y>=5x-9
3x+y<=15
Mathematics
high-school
Xwhitelight
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x ≥ -3
y ≥ 5x - 9
3x + y ≤ 15
3(-3) + (5x - 9) ≤ 15
-9 + (5x - 9) ≤ 15
(-9 - 9) + 5x ≤ 15
-18 + 5x ≤ 15
+ 18 + 18
5x
≤
33
5 5
x ≤ 6.6
y ≤ 5(6.6) - 9
y ≤ 33 - 9
y ≤ 24
(x, y) ≤ (6.6, 24)
SidD
answered
Dec 29, 2016
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SidD
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