Question

The table below shows the total cost of buying printer ink cartridges for both members and nonmembers of a shopping club. Price of Ink at Shopping Club Number of ink cartridges purchased Total cost for members (with membership fee) Total cost for nonmembers 0 $30 0 1 $40 $25 2 $50 $50 3 $60 $75 Which statement is supported by the table? The relationship between the number of cartridges purchased and the total cost is proportional for nonmembers but not for members. The relationship between the number of cartridges purchased and the total cost is proportional for members but not for nonmembers. The relationship between the number of cartridges purchased and the total cost is proportional for neither members nor nonmembers. The relationship between the number of cartridges purchased and the total cost is proportional for both members and nonmembers. Mark this and return

Answer 1

The relationship between the number of cartridges purchased and the total cost is proportional for nonmembers but not for members.

Explanation:

Number of ink cartridges purchased(1st column)

Total cost for members (with membership fee) (2nd column)

Total cost for nonmembers (3rd column)

0 $30 0

1 $40 $25

2 $50 $50

3 $60 $75

We can see that $30 is the membership fee.

We can conclude that - The relationship between the number of cartridges purchased and the total cost is proportional for nonmembers but not for members.

Answer 2

The added fee for members makes the cost not proportional for that group.

The appropriate choice is the first one ...
The relationship between the number of cartridges purchased and the total cost is proporitonal for nonmembers but not for members.