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Phone plan A charges $1.25 for the first minute and $0.15 fo
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19 Aug 2018, 04:00
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Phone plan A charges $1.25 for the first minute and $0.15 for every minute thereafter. Phone plan B charges a $0.90 connection fee and $0.20 per minute. Which of the following equations could be used to find the length, in minutes, of a phone call that costs the same under either plan?
Re: Phone plan A charges $1.25 for the first minute and $0.15 fo
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20 Aug 2018, 22:09
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Let us assume x= total length of time For plan A first minute = $1.25 Remaining time = (x-1) minutes
While for plan B there is a flat rate apart from the connection fee of $0.9 Hence to find the length of time when the prices of the two plan is equal we can form the eqn as option C
Re: Phone plan A charges $1.25 for the first minute and $0.15 fo
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22 Feb 2019, 15:31
Expert Reply
sandy wrote:
Phone plan A charges $1.25 for the first minute and $0.15 for every minute thereafter. Phone plan B charges a $0.90 connection fee and $0.20 per minute. Which of the following equations could be used to find the length, in minutes, of a phone call that costs the same under either plan?
We can create the equation in which x = the number of minutes that equates the charges of the two plans. Plan A charges $1.25 for the first minute and $0.15 for the remaining (x - 1) minutes. Plan B charges a $0.90 fee and $0.20 for all x minutes of the call. Thus, the equation that equates the charges for the two plans is:
Re: Phone plan A charges $1.25 for the first minute and $0.15 fo
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09 Sep 2021, 09:28
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Re: Phone plan A charges $1.25 for the first minute and $0.15 fo [#permalink]