26+32=58
58 divided by 10 is abt 5.something
The rest 8 students also needs to go, so it is 5+1=6 vans.
Answer:

Step-by-step explanation:
The Central Limit Theorem estabilishes that, for a random variable X, with mean
and standard deviation
, the sample means with size n of at least 30 can be approximated to a normal distribution with mean
and standard deviation 
In this problem, we have that:

So

Answer: 153 trays
Step-by-step explanation:
hotdogs =153
Hamburger = 171
Mike is to put the same number of hamburger and hotdogs in each plate.
we assume that a whole number of each food is placed in each tray.
The maximum amount of trays will be determined by the minimum food which is hotdog, so, the hotdog is the constraint.
Mike will have to use 153 trays.
The speed for which Brian iron the shirts is given by:

Rewriting we have:


Then, for each minute, we have the amount of ironed shirt is:

Answer:
At this rate, Brian plans 10/162 of his shirt.