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Jamal rented a camera from a photography shop. The rental fee was 15 dollars for the first hour and 4 dollars for each additional hour. If Jamal paid a total of 31 dollars, excluding sales tax, to rent the camera, for how many hours did he rent it?

Explanation	Calculations	Help
$We first name a variable for the total number of hours Jamal rented the camera.$	$h = number of hours Jamal rented the camera$	Theory & Tactics Method Card TRANS1-A Click to view full details
$We translate "15 dollars for the first hour" and "4 dollars for each additional hour" into an equation, then set it equal to "31 dollars" .$	$15 + 4 (h - 1) = 31$	Theory & Tactics Method Card TRANS1-B Click to view full details
$We then solve by isolating the variable.$	$15 + 4 (h - 1) = 31 4 (h - 1) = 16 h - 1 = \frac{16}{4} = 4 h = 5$	Theory & Tactics Method Card EQUA1-A Click to view full details

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B

Jamal rented a camera from a photography shop. The rental fee was 15 dollars for the first hour and 4 dollars for each additional hour. If Jamal paid a total of 31 dollars, excluding sales tax, to rent the camera, for how many hours did he rent it?

Explanation	Calculations	Help
$We first name a variable for the total number of hours Jamal rented the camera.$	$h = number of hours Jamal rented the camera$	Theory & Tactics Method Card TRANS1-A Click to view full details
$We translate "15 dollars for the first hour" and "4 dollars for each additional hour" into an equation, then set it equal to "31 dollars" .$	$15 + 4 (h - 1) = 31$	Theory & Tactics Method Card TRANS1-B Click to view full details
$We then solve by isolating the variable.$	$15 + 4 (h - 1) = 31 4 (h - 1) = 16 h - 1 = \frac{16}{4} = 4 h = 5$	Theory & Tactics Method Card EQUA1-A Click to view full details

Scroll horizontally to view all columns

B