Question 1011524
 smith and vein had equal money. after smith spent 18 rupees and vein spent 25, smith had twice as much as vein. how much money did they had 
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Equations:
s = v
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s-18 = 2(v-25)
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Substitute for "s" and solve for "v"::
v-18 = 2v - 50
v = 32 rupees 
s = 32 rupees
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how much money did they have?
Each had 32 rupees
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Cheers,
Stan H.
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