GIVING BRAINLIEST IF THE ANSWER IS RIGHT PLS HELP!!!!
A student spends 2 hours each day at swim practice and three and one-half hours each day studying.
Which equation can be used to determine t, the total number of hours the student spends at swim practice and studying during d days?

t = 2d + 3.5
t = d ( 2 + 3.5)
t = d + 5.5
t = 2(d + 3.5 )