In this mathematical puzzle, we must find the values of Red Fish and Blue Fish each to solve this complicated mathematical puzzle. Are you a math genius? Only 1% with high IQ can solve this complicated math puzzle in 20 seconds.
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Mathematical Riddles with Answers: Solution
Answer: Blue Fish = 3 and Red Fish = -2
Explanation:
We will refer to the blue fish as X and the red fish as Y.
Let’s look at the equations mathematically.
9X – 11A = 49………………. (Equation 1)
13X – 12Y = 63……………….. (Equation 2)
We will solve the question using the elimination method.
We will have to equalize the X coefficients by eliminating the terms with ‘X’.
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We will multiply equation (1) by 13 and equation (2) by 9, and then subtract equation (2) from (1).
=> 13 x (9X – 11Y) = (49) x 13………. Equation 1
=> 9 x (13X – 12Y) = (63) x 9……….. Equation 2
We obtain,
=> 117X – 143Y = 637
=> 117X – 108Y = 567
Let’s subtract both equations. (We will subtract the LHS of Equation 1 from the LHS of Equation 1 and the RHS of Equation 2 from the RHS of Equation 2).
=> 117X – 143Y – (117X – 108Y) = 637 -567
=> 117X – 143Y – 117X + 108Y = 70
Both 117X and -117X cancel each other.
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Now we get:
=> -143 years +108 years = 70
=> -35 years = 70
=> y = -2
Now, let’s put the value of Y into equation (1) and solve to find the value of X.
=> 9X – 11Y = 69
=> 9X- 11(-2) = 49
=> 9X +22 = 49
=> 9X = 49-22
=> 9X = 27
=> X = 3
Therefore, the values of X (which is Blue Fish) are 3 and Y (which is Red Fish) -2 respectively.
Good job!
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