Mathematics, 30.11.2020 22:30, nane305
The local skating rink pays Mary a fixed rate per pupil plus a base amount to work as a skating instructor. She earns $90 for instructing 15 students on Monday afternoon. Last Friday, she earned $62 for working with 8 students. Lisa is also a skating instructor. She receives half the base amount that Mary does, but she is paid twice as much per student. Who would earn more money instructing a class of 20 students?
A.) Lisa would earn $120 more than Mary.
B.) Lisa would earn $65 more than Mary.
C.) Mary would earn $15 more than Lisa.
D.) Mary would earn $10 more than Lisa.
Answers: 3
Mathematics, 21.06.2019 22:00, sherman55
(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2xβ2 intersect are the solutions of the equation 4x = 2xβ2. (4 points) part b: make tables to find the solution to 4x = 2xβ2. take the integer values of x between β3 and 3. (4 points) part c: how can you solve the equation 4x = 2xβ2 graphically? (2 points)
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