Mathematics, 14.07.2021 19:10 SG2021
Salma tutors math. For each hour she tutors, she earns 40 dollars. Let E be her earnings (in dollars) after tutoring for H hours. Write an equation relating E to H. Then use this equation to find Salma’s earnings after tutoring for 19 hours.
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Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.
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Salma tutors math. For each hour she tutors, she earns 40 dollars. Let E be her earnings (in dollars...
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