If the price of 3 pen 2pencil and 4 eraser is 92 and the price of 8 pencil and 16 eraser is 68 then the price of 24 pens
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1
Answer:
600
Explanation:
3x + 2y + 4z =92 .... (1)
8y + 16y = 68 .... (2)
multiply by 4 to Eq 1
then, 12x + 8y + 16z =368 ....(3)
put the value of eq (2) in (3)
then, 12x + 68 = 368
x = 25
then one pen value is 25 and 24 pens value is 600
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