Creases 2795

Three punch cuts cost as much as two creases. How much does it cost if five punch cuts cost 2 euros 50 cents?

Correct answer:

x =  0.75 Eur

Step-by-step explanation:


5p = 2.50
3p = 2x

5·p = 2.50
3·p = 2·x

5p = 2.5
3p-2x = 0

Row 2 - 3/5 · Row 1 → Row 2
5p = 2.5
-2x = -1.5


x = -1.5/-2 = 0.75
p = 2.5/5 = 0.5

p = 1/2 = 0.5
x = 3/4 = 0.75

Our linear equations calculator calculates it.



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