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Alto and Sheryl both worked hard over the summer. Together they earned a total of $500. Sheryl earned $100 more than Alto.

(a) Write a system of equations for the situation. Use s for the amount Sheryl earned and a for the amount Alto earned.

(b) Graph the equations of the system on the graph provided on the next page. a. Note: Insert->Shape will allow you to add lines, draw dots, and otherwise insert shapes in both Microsoft Word and LibreOffice. The graph should be big enough for you to easily plot points using this method. b. If you do not want to graph using the drawing tools built into Microsoft Word or LibreOffice you may also print out, graph by hand, and scan the page. Please note it’s perfectly okay to upload multiple files.

(c) Use Elimination or Substitution to solve the system.

(d) Use your graph to estimate how much each person earned, check your work with part C, and explain your results in complete sentences.​

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