Use Gaussian elimination to solve. The Burkes pay their babysitter $5 per hour before 11 P.M. and $7.50 after 11 P.M. One

Question

Use Gaussian elimination to solve.
The Burkes pay their babysitter $5 per hour before 11 P.M. and $7.50 after 11 P.M. One evening they went out for 5 hr and paid the sitter $35.00. What time did they come home?
They came home at A.M.

Kunduz · Accepted Answer

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