Question

Omar has a new debit card. He earns 1{,}8001,8001, comma, 800 reward points for spending 300300300 dollars.

At this rate, if Omar earned 600600600 reward points, how much money did he spend?

Answer 1

Answer: Omar spent 100 dollars to earn 600 points.

Explanation:

Answer 2

$100

Explanation:

If Omar spends $300 to earn 1800 reward points, you want to know how much he spent to earn 600 reward points.

Ratio

The dollars and reward points are proportional:

1800 points : $300 = 600 points : $100 . . . . . . divide each number by 3

Omar spent $100 to earn 600 reward points.

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