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
Answer:
The answer is 3/4 = 75%
Step-by-step explanation:
3/4 = 75%
It is: 3/4 = 75%
165 - 57 and divide that by 2. So that would be 54
Answer:
-3
Step-by-step explanation:
5*3=15
15-18= -3
0 anything multiplied by Zero is zero