solve
23.45 = 2*10+3*1+4*1/x+5*1/y
find (y-x)
Answer:
23.45 = 20+3+4/x+5/y
23.45 = 23+4/x+5/y
23.45-23 = 4/x+5/y
0.45 = 4/x+5/y
0.4+0.05 = 4/x+5/y
4/10+5/100 = 4/x+5/y
By putting x=10, y=100
(y-x) = 100-10 = 90
90 is the answer
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