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How many ordered pairs (x, y) of positive integers satisfy the inequality 4x + 5y < 20?
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5 votes
How many ordered pairs (x, y) of positive integers satisfy the inequality 4x + 5y < 20?

User Acpigeon
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1 Answer

6 votes

Answer:

6

Explanation:

The ordered pairs that satisfy the inequality are shown in the attachment. There are 6 of them.

How many ordered pairs (x, y) of positive integers satisfy the inequality 4x + 5y-example-1
User DrGoldfire
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