IM MARKING BRAINLIEST 
Valerie replaces one car alternator every 1.75 hours. She takes a 1-hour lunch break.
Which equation can be used to determine how many alternators she replaces in 8 hours? 
Multiple choice question.
A)
1.75w−1=8 
B)
1.75w+1=8 
C)
18w−1=8 
D)
18w+1=8