the Millers, Rigbys, and the Smiths went on a camping trip. The Millers spent $100 more then Rigbys, and the Smiths spent twice

as much as the Millers. if the cost of the trip was $580 altogether, how much did the Smiths spend?

Mathematics

1 answer:

KATRIN_1 [288]3 years ago

8 0

$Let \: x \: be \: the \: money \: the \: Millers \: spent \\ The \: Rigbys \: spent:x-100 \\ The \: Smiths \: spent:2x \\ We \: have \: an \: equation:x + x - 100 + 2x = 580 \\ < = > 4x = 680 \\ < = > x = 170 = > 2x = 340 \\ So \: the \: Smiths \: spent \: \$340$

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