125×+110y=760
1 10x + 125y = 767.50
find value of x and y
Answers
Answered by
1
Answer:
(3, 3.5)
Step-by-step explanation:
125x + 110y = 760 ⇒ 25x + 22y = 152
110x + 125y = 767.5
Use Cramer's rule (see attachment)
(x, y) = (3, 3.5)
Attachments:
![](https://hi-static.z-dn.net/files/d39/b4737b02ae60e90a12eb949dd8559ae3.jpg)
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