vincent’s copier can print in 7 hours. chris’s printer can do the same in 13 hours. how long would it take to do the job using b
oth copiers
1 answer:
Answer:
Step-by-step explanation:
1/7+1/13=1/t
multiply both sides by 7*13*t
13t+7t=7*13
21t=91
t=91/19
it will take 4 hours and 8 minutes
You might be interested in
This a dang easy question. Ask yourself,what is the sentence about?
Answer:
1.524
Step-by-step explanation:
Ksjdowjsjkajqjqjsjdksjsk A
Here's a list that might help:
Odd functions: sinx, tanx, cotx, cscx
Even functions: cosx, secx
I don't know how to answer the first part but i'll solve it.
5(3+7)-5
5(10)-5
5x10-5
50-5
45
