A parkingmeter charges$2 perhour.As a driverparks hercar,she noticesthat the parkingmeterhas15 previousdriver whousedthe parking spot.Ifthedriverinsertsd and theparkingmeter has 3 hoursremainingon itas a result,write an equationtosolve ford?

3 = 0.25 + 0.5d

Step-by-step explanation:

Given that:

Amount charged per hour = $2

Time left before inserting $d = 15 minutes

Total time after inserting $d = 3 hours

Total time of 3 hours = time left by previous driver + hours purchased with $d

$2 = 1 hour

$d = x

2x = d

x = d/2 ; 0.5d

Since 15 minutes is left before inserting $d

15 minutes to hour ; 15/60 = 0.25

Total time of 3 hours = time left by previous driver + hours purchased with $

3 = 0.25 + 0.5d

Sample Juan will break even because 16 and –16 are a zero pair. –16 is the additive inverse o f 16 and the sum will be zero.

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