At midnight, the temperature was 15°C. Over the next six hours, the temperature dropped 3 degrees each hour. By noon, the temper
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The pairs of goldfish Tasha can buy for $20 are
Step-by-step explanation:
To find the how many type of goldfish that Tasha can buy for $20 is the set of positive ordered pairs.
Let x denote the number of fancy goldfish.
Let y denote the number of common goldfish.
To find how much goldfish can Tasha buy for $20 is to substitute the value for x in the equation
Now, substituting in
, we get,
The ordered pair is
Similarly, substituting ,
For ,
For ,
For ,
For ,
For ,
Thus, the pairs of goldfish Tasha can buy for $20 are