A) \[13x-4y=6\]
B) \[13x-4y=60\]
C) \[260x-8y=100\]
D) \[260x-8y=12\]
Correct Answer: B
Solution :
(b) : 'x' pens 'y' greeting cards Cost of all greetings card be 0.8y Cost of all pen = 2.6x \[\Rightarrow 2.6\times 0.8y+12\] \[\Rightarrow 26x-8y=120\] \[\Rightarrow 13x-4y=60.\]You need to login to perform this action.
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