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by prindaroy » Wed Aug 05, 2009 7:46 pm
y = -0.6x + 30

sub all values of x for which y would be an integer so;

x = 0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50

so 11
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Master | Next Rank: 500 Posts
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by tom4lax » Thu Aug 06, 2009 6:32 pm
I got 10. Forgot that x=0 was also on the line. Stupid mistake.
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