Karan needs to choose between two gym plans. He can either pay a $150 joining fee and a $10 monthly fee, or he can pay a $50 joi
ning fee and a $30 monthly fee.
On what month will the cumulative costs of the plans be equal, and what will those total costs be
Answer: Karan will pay a cumulative cost of___?___ dollars with either plan to go to the gym for __?__ months.
1 answer:
Let x be the month on which the fee for two plans are equal.
Therefore,
150 + 10x = 50 + 30x
10x - 30x = 50 - 150
-20x = -100
x = 5
Cumulative cost = 150 + 10(5)
= 150 + 50
= 200
Hence, Karan will pay a cumulative cost of $200 dollars with either plan to go to the gym for 5 months.
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