please help math,....................................................

Mar 25th, 2015
DreamIt
Category:
Mathematics
Price: $10 USD

Question description

1. Roman mixes 12 liters of 8% acid solution with a 20% acid solution, which results in a 16% acid solution. Find the number of liters of 20% acid solution in the new mixture. Construct a table to organize the information, and show all of your work to solve the problem.

NEED TABLE

2.  Gavin and Seiji both worked hard over the summer. Together, they earned a total of $425. Gavin earned $25 more than Seiji. How much did each of them earn?

  1. Write a system of two equations with two variables to model this problem.
  2. Use substitution or the elimination method to solve the system.
  3. Graph both equations.
  4. Answer the question.

Tutor Answer

(Top Tutor) Daniel C.
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School: Carnegie Mellon University
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