Answer:
A
Step-by-step explanation:
Because 45 + 2x = 180 divide it by 2 gives 4
It will just be -7/12 because anything times 1 stays the same
Answer:
I:23/48
ii 25/48
Step-by-step explanation:
30min=0.5hr
total time exercised: 11+0.5=11.5hr
Divided by total hours of a day:
11.5/24=115/240=23/48
ii:(48-23)/48