SOLUTION: For how many ordered pairs of positive integers (x,y) is 4x+5y<15?

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Question 1041045: For how many ordered pairs of positive integers (x,y) is 4x+5y<15?
Found 2 solutions by Fombitz, robertb:
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
An infinite number of them as shown in the shaded region.
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Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Only highlight%28three%29 ordered pairs of positive integers x and y will satisfy the inequality, namely (1,1), (1,2), and (2,1).