Answer:
52 ft²
Step-by-step explanation:
Given :
Dimension : 2 by 3 by 4
Surface area of a rectangular prism :
2(wl + lh + wh)
Length = l
Width = w
Height = h
Surface Area = 2[(2*3)+(2*4)+(4*3)]
Surfave Area = 2[6+8+12]
Surface Area = 2(26)
Surface Area = 52 ft²
14 weeks. 56 divides by 4 to get 14
Answer:
multiply
Step-by-step explanation:
Answer:
4/5
Step-by-step explanation:
solved it
We observe that 20 is 4 more than twice 8. This suggests the time is 1 hour and the rates are
... scooter: 20 mi/h
... bicycle: 8 mi/h
_____
You can let b represent the rate of the bicycle in miles per hour. Then we have (for time in hours and distance in miles) ...
... time = distance/speed
... time = 20/(2b+4) = 8/b
... 20b = 8(2b+4) = 16b +32
... 4b = 32
... b = 8
The rate of the bicycle is 8 mph; that of the scooter is 2*8+4 = 20 mph.
