The answer is 10.73 years.
Here, the formula we can use is :
(for the average)
Substitute the values mentioned in the question.
10.54 = (10.35 + Girls)/2
21.08 = 10.35 + Girls
Girls = 10.73 years
The answer is 6 5/6.
Do you understand why?
If not...be sure to leave comment telling me what u r having problem with.
Glad to help!
Answer:
x=-1, y=-3. (-1, -3).
Step-by-step explanation:
x+y=-4
3x-6y=15
---------------
x=-4-y
3(-4-y)-6y=15
-12-3y-6y=15
-12-9y=15
9y=-12-15
9y=-27
y=-27/9
y=-3
x+(-3)=-4
x-3=-4
x=-4+3
x=-1
Answer:
0.7 miles per hour
Step-by-step explanation:
To find a speed in miles per hour, divide the number of miles by the number of hours.
150/ 212 = 0.7 miles per hour