Mathematics, 17.09.2019 20:00 sudotoxic
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?
lisa would earn $120 more than mary.
lisa would earn $65 more than mary.
mary would earn $15 more than lisa.
mary would earn $10 more than lisa.
Answers: 1
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