The rate a computer works is 1/time. Working together, you add the rates.
Let new computer be x, old computer be y.
x = y - 7

Rounded to nearest tenth gives:
x = 23 hours
Answer:
A
Step-by-step explanation:
i think thats the answer
The slope is rise over run
3/5
Answer:
THere will be 8 heads and 2 tails
Step-by-step explanation:
I don't know