Question

collen plans to print x pictures from her camara at a drug store. the expression $0.2x represents the cost of developing the pictures if she is not a member of the store's photography club. if she is a member, then the total cost is given by $0.15x+$10. how much more will collen pay by not being a member if she develops 350 pictures?

Answer 1

$70

Explanation:

350 x .2 = $70

Answer 2

$7.50

Explanation:

If she is not a member:

to print 350 pictures, she will pay 0.2 * 350 = $70

If she IS a member:

to print 350 pictures, she will pay 0.15(350) + 10 = $62.5

THus, the amount she saves is 70 - 62.5 = $7.50