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Luke and Matthew ran a lemonade stand on Saturday. They agreed that Matthew would get $65$\% of the profit because the lemonade stand was his idea. They made a profit of $60$ dollars. How much money did Luke make? 
Overseas Competition->Knowledge Point->Word Problem Modules->Solving Problems Involving Fractions and Percentages->Percentages Word Problems
$60 \times 65$\%=$39$,  $60-39=21$,  Luke made $21$ dollars. 