SOLUTION: On a fishing trip, Mariko caught 24 fish. She caught soem rockfish weighing about 2.5lbs EACH and some blue fish about 8lbs EACH. The total weight of fish was 137lbs. How many of e
Algebra.Com
Question 840397: On a fishing trip, Mariko caught 24 fish. She caught soem rockfish weighing about 2.5lbs EACH and some blue fish about 8lbs EACH. The total weight of fish was 137lbs. How many of each fish did she catch.
These need to be solved using systems of equations.
thank you!
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
-
Added "EACH" because this is what you meant; that rockfish are 2.5 pounds per fish and blues are 8 pounds per fish.
r for rock fish count
b for blue fish count
accounts for fish count.
accounts for pounds of fish.
That is the system to solve for r and b.
Putting into whole coefficients, the pound account is .
SYSTEM easier to use as
--------------------
r+b=24
--------------------
5r+16b=274
--------------------
Elimination Method without explanation:
But we cannot really allow for nonwhole numbers of fish unless some practical reason would make this possible. ;
recall in the description, "about 8 pounds", and "about 2.5 pounds".
-
Expect that of the rock fish.
RELATED QUESTIONS
On a fishing trip, Mariko caught twenty-four fish. She caught some rockfish averaging 2.5 (answered by feliz1965)
On a fishing trip, Mariko caught twenty-four fish. She caught some rockfish averaging... (answered by feliz1965)
On a fishing trip, Mariko caught twenty-four fish. Sh caught some rockfish averaging 2.5... (answered by Nate)
A person caught 24 fish. Some are Rockfish, some are Bluefish. A rockfish weighs 2.5... (answered by ptaylor)
A man spent 10 days fishing. On each day he caught 4 fish more than the day before. Over... (answered by josmiceli)
Jose, Paul, and Dan went fishing. it was a good day, and all three of them caught a fish. (answered by mananth)
A, B, C and D went fishing. A caught 50% more fish than B. If A gives C 20 fish, A, B and (answered by Theo)
Ned and Peg went fishing. Ned caught three less than twice the number of fish that Peg... (answered by ly12603)
While on a vacation to the country, a man spent 10 days fishing in the river. On each... (answered by KMST)