Give the answer of these plz
solve all three question plz
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2) Let there be r rupees and d dollars.
given: 1 rupee (r)=45d.
so, r-45d=0
3) speed= distance/time
so speed×time=distance.
50=d/t
so, 50d=t
so, 50d-t=0
given: 1 rupee (r)=45d.
so, r-45d=0
3) speed= distance/time
so speed×time=distance.
50=d/t
so, 50d=t
so, 50d-t=0
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