Answer:
68.5 mph
Step-by-step explanation:
191.8 ÷ 2.8 = 68.5
It should be n+4=3n. Hope this helps
Here is the set up:
Let m = mass of the block
m = (30•40•50)/(2.8)
Use your calculator to calculate the left side for m.
In order to check you would plug in the value of x and see if it equals the same thing.
or do the opposite of the equation. it depends on if you are dealing with x or not. so if you have 6-3 is 3 you can do 3+3 is 6