Answer:
112
Step-by-step explanation:
correct me if im wrong.
I got this from doing 30 percent out of 160
160×0.30
160-48=112
Let the number of 30 pound boxes represented by =x
Let the number of 20 pound boxes be represented by =y
As given, there are 64 boxes so equation is:
or ..... (1)
Total weight is 1400 pounds so equation becomes
...............(2)
Plug in the value of in 2nd equation
and
Hence, the number of boxes for delivery that weigh 20 pounds is 52.
The shape of the distribution is rectangular, also Uniform and Symmetrical
There can be increase or decrease in random samples from a population as it is not always fixed as it will alter most of the time according to statistics
You plug in x + 8 for y in the second equation.
answer: x + x + 8 = 2