A doctor recommended that a patient take eight tablets on the first day and 4 tablets each day thereafter until the prescription was all used. The prescription contained 28 tablets. Use the equation 8 + 4d = 28 to find how many days Marcie will be taking pills after the first day.
(1 point)
Responses
d = 5
d = 9
d = –9
d = –5
d = 5
Marcie will be taking pills for a total of 5 days after the first day.