Question

Tyler’s grocery receipt shows a charge of $0.25 for every apple he purchased.

Let g represent the amount on the grocery receipt.
Let a represent the number of apples purchased.

Which is the independent variable?
1. the amount of the grocery bill
2. the cost of an apple
3. the weight of the apples
4. the number of apples purchased

Answer 1

1: the amount of the grocery bill

Answer 2

2. the cost of an apple

Explanation:

the cost can't be changed by anything