Suppose you are saving money for a new cell phone. At week 0 you have $20 and at week 10 you have $100. If y represents the amount of money you have saved and x represents

Question

one-eighth; $8 is put away each week.
10; $10 is put away each week.
8; $8 is put away each week.
one-tenth; $10 is put away each week.

Answer 1

In this scenario, x represents the number of weeks and y represents the amount of money saved.

As given, at week 0, you have $20. This means y = $20 when x = 0.

At week 10, you have $100. This means y = $100 when x = 10.

Since $8 is put away each week, the amount saved can be represented by the equation: y = 8x + 20.

Thus, the correct answer is "8; $8 is put away each week."