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Q.

Which of the following ordered pairs is a solution of equation 8x + 5y = 25? 

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a

(8,0)

b

(0,5)

c

(3,5)

d

(4,2)

answer is B.

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Detailed Solution

detailed_solution_thumbnail

The given equation is 8x + 5y = 25. 

Consider the ordered pair (0, 5). 

By substituting x = 0 and y = 5 in the given equation, we obtain 

L.H.S. = 8x + 5y = 8 × 0 + 5 × 5 = 0 + 25 = 25 = R.H.S. 

Therefore, the ordered pair (0, 5) satisfies the given equation. 

Thus, (0, 5) is a solution to the given equation

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