Answer:
460 ft long because if you add them all together and minus 40 that what you should get
the mean (average) of the data set below
2/4, 18/5, 28/10, 5/20
We are given with 4 fraction
to find mean , we add all the fractions and divide by 4
Lets add all the fractions

Make the denominators same
LCM is 20
Try to get 20 in the denominator



Now we divide by 4

Answer:

Step-by-step explanation:






Answer:6
Step-by-step explanation:
Area of a rectangle = length × width
Length = 8
Breadth = ?
Area = 48
L × B = Area
8 × B = 48
Divide both sides by 8
B = 48 ÷ 8
B = 6