In Situation 1, which rule models the total amount that Kayla has left to spend on yogurt (c) as a function of the number of days (d)?
Responses
A c = 30 − 6dc = 30
B c = 30 + 6dc = 30
C d = 30 − 6cd = 30
D c = 6d − 30
Responses
A c = 30 − 6dc = 30
B c = 30 + 6dc = 30
C d = 30 − 6cd = 30
D c = 6d − 30