exam
Maths Puzzle
Numerical Ability
A sequence in which the ratio of successive terms is a constant r, called the common ratio is a(n) ____________ sequence.
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exam Other Question
A cell phone company charges $27.95 per month and 12 cents a min for local calls. Another cell phone company charges $12.95 a month and 32 cents a min for local calls. For what number of minutes of local calls is the cost of the plans same?
Solve by graphing;
4x+y=16
4x+y=20