Answer:
2.1 hours (2 hours and 6 minutes)
Step-by-step explanation:
The rate of work of Bobbi is ⅓ while for Deshaun is 1/7 hence combined rate will be
⅓+1/7=(7+3)/21=10/21
The equivalent hours is the reciprocal of the above hence 1021/10=2.1 hours
0.1 of an hour is equivalent to 0.1*60=6 minutes
Therefore, the efforts combined will take 2.1 hours or 2 hours and 6 minutes
4350? I'm not sure what you meant. All of those numbers are above 0.47. If you meant 0.750, 0.1950, 0.2150, or 0.4350, then it's 0.4350
Answer:
6
Step-by-step explanation:
Negative ×negative always gives gives a positive
It moves roughly 5 inches a day. (p.s you made a mistake, there is 365 days in a year not 356)