Answer:
gdvf ,;lcx ;
Step-by-step explanation:
A integer for -4 would be +4
4 hours? i may be wrong
i did - 60 * 15
seems about right, since 50% would be 7.5 hours?
Answer:
it=552
Step-by-step explanation:
with rounding it = 550
We have

To simplify it we can divide numerator and denumerator by the same number (the greatest possible is the best)

- its the simples form..