Question

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Task #4 Gamers and Game World


Gamers: Two dollars for every game downloaded.
Game World: $15 per month and $0.50 per game downloaded.

a) How much money would it cost if you downloaded 6 games from Gamers? Show your work, using the equation c=2d, where c is the cost and d is the number of downloads.

b) Write an equation for the cost per month at Game World, using c for cost and d for downloads.

c) Which equation is represented in the graph below, Gamers or Game World? Justify your answer using mathematical reasoning.



d) If you plan on downloading 8 games per month, which would be the best plan to buy? Justify your answer using mathematical reasoning.

e) Justin has a membership to Gamers and he says his plan is better than Game World’s. Kenny, who has a membership to Game World, disagrees. Who is correct? Justify your answer using mathematical reasoning.

f) How many games would Justin and Kenny have to download to make the same monthly payment? How do you know?

Answer 1

a)....it would cost 12 dollars

the equation is.... 2x 6(number of downloads)

b) C = 15 + (dx0.5)

c) the graph represents gamers price model

d) gamers would be cheapest

gamers would be 8 x 2 = 16

gameworld would be 15(monthly subs) plus 0.50 x 8 (4 dollars) = 19

e) totally depends upon the number of games downloaded by each person.

for up to 10 games per month Justin is on the best deal

exactly 10 games per month makes both deals equal

over 10 games per month Kenny is on the best deal