SOLUTION: On a fishing trip, Mariko caught twenty-four fish. She caught some rockfish averaging 2.5 lbs. and some bluefish averaging 8 lbs. The total weight of the fish was 137 lbs. How m

Question 185269: On a fishing trip, Mariko caught twenty-four fish. She caught some rockfish averaging 2.5 lbs. and some bluefish averaging 8 lbs. The total weight of the fish was 137 lbs. How many of each kind of fish did she catch?
this is from a print out not a text book. Thanks for your help.
Answer by feliz1965(151) (Show Source): You can put this solution on YOUR website!
Let r = rockfish
Let b = bluefish
There are 24 fish in all.
Then:
r + b = 24
2.5r + 8b = 137
Here we have a system of two equations in two unknowns.
Can you take it from here?
If not, write back.

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