Andy and Bob went to the canteen to buy snacks. They spent the same amount. Andy bought a can of soda at $1 and two hamburgers at $2 each.  Bob ordered two sandwiches for $3 and a can of fruit drink.  How much did Bob's fruit drink cost?
Two hamburger cost 2 x $2 = $<<2*2=4>>4.
So, Andy spent $1 + $4 = $<<1+4=5>>5.
Therefore, Bob's fruit drink cost $5 - $3 = $<<5-3=2>>2.
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