Micah has 2 watches, the difference in their value is £64, together they are worth £200. How much is the most valuable watch worth?
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If one watch has value £x, the other is worth 200-x pounds.

The difference in their value is 200-x-x=200-2x=64, so 2x=200-64=£136, x=136/2=£68. The other watch is worth 200-68=£132, so this is the more valuable watch.

 

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