Question

what is total amount of spent if Tina spend rupees 75 on books , rupees a on pencils and rupees b on geometry box


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Answer 1

If we let a =x and b = y then

according to standard form of liner equation of two variable =ax+by+c=0

Tina spends x+y+75 rupees

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Answer 2

Tina spends a+b+75 rupees