I'm guessing you're looking for the mean or average? That would be the sum of all the ages divided by the numbers of people
So:
19+8+21+19=67
Divided by 4
67/4= 16.75
Rounded up you get 17
Find how many cars she can wash in one day:
95 cars / 5 days = 19 cars per day.
Now multiply by 11 days:
19 cars per day x 11 days = 209 total cars.
The answer should be C. 3
Answer:
<2 = 90
Step-by-step explanation:
If the lines are perpendicular, the angles are 90 degrees
To find the distance between her home and her latest position:
According to the question, the diagram is,
Consider the right triangle,
AB=120 km
BC=50 km
To find AC:
Using Pythagoras theorem,
Hence, the distance between the new position and her home is 130 km.
