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Mathematics 11 Online
OpenStudy (angiedoesschool2275):

Can someone check my answer to this question for me? I will medal and fan ^-^ How many more dollars does Jessica pay for a membership fee than Nancy? A: $1 B: $4 C: $10 D: $36 (My guess is D)

OpenStudy (angiedoesschool2275):

Jessica and Nancy are members of different video game libraries. Jessica pays a membership fee of $40, and she pays $5 for every video game she rents. The following function shows the total amount of money, y, in dollars, that Nancy pays for renting x number of video games: y = 4x + 30. How many more dollars does Jessica pay for a membership fee than Nancy?

jimthompson5910 (jim_thompson5910):

` Jessica pays a membership fee of $40` so that's given to us ----------------------------------- how much does Nancy pay for a membership fee?

OpenStudy (angiedoesschool2275):

Nancy pays $34 when replacing the x for 1

jimthompson5910 (jim_thompson5910):

x = number of videogames rented if she doesn't rent any videogames, how much must she pay for the membership fee?

OpenStudy (angiedoesschool2275):

$30?

jimthompson5910 (jim_thompson5910):

correct

jimthompson5910 (jim_thompson5910):

Jessica has a membership fee of $40 (given) Nancy has a membership fee of $30 (y intercept of the equation) How many more dollars does Jessica pay for a membership fee than Nancy?

OpenStudy (angiedoesschool2275):

$10?

jimthompson5910 (jim_thompson5910):

yep

jimthompson5910 (jim_thompson5910):

and that's your answer

OpenStudy (angiedoesschool2275):

Ah, thanks so much! I must have forgotten to use 0 instead of 1 :P

jimthompson5910 (jim_thompson5910):

no problem and that's a common mistake

OpenStudy (angiedoesschool2275):

Have a great night!

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