Miss Loi’s phone calls to those on her waiting list can be loosely grouped into the straightforward type and those that involve listening to some tragic 凄凉 academic tale. If in an hour, Miss Loi gets 2 more straightforward phone calls than 凄凉 phone calls, and that a 凄凉 phone call takes 15 minutes longer than a straightforward phone call, find the total time Miss Loi takes to make 60 straightforward phone calls and 30 tragic 凄凉 phone calls.
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About Miss Loi
Miss Loi is a full-time private tutor in Singapore specializing in O-Level Maths tuition. Her life’s calling is to eradicate the terrifying LMBFH Syndrome off the face of this planet. For over years she has been a savior to countless students … [read more]Gratitudes
It was definitely the right choice to engage Miss Loi as my girl’s tutor. Competent and dedicated, she was a large factor in the tremendous improvement in my girl’s math grades. … [read more]
Mrs Rose Lee
Mom of Evelyn Lee (St. Joseph’s Convent)Peer Pressure

Miss Loi is a full-time private tutor in Singapore specializing in O-Level Maths tuition. Her life’s calling is to eradicate the terrifying LMBFH Syndrome off the face of this planet. For over years she has been a savior to countless students … 




















