Answer:
No, modern train cannot travel on old railroad.
Step-by-step explanation:
In rail transport, track gauge is the spacing of the rails on a railway track and is measured between the inner faces of the load-bearing rails.
Most of the modern train are based on broad gauge. The separation in broad gauge is about 5 ft and 6 inches and in the standard gauge the separation between the tracks is 4 ft and 
inches. So for the modern train it is not possible to travel on the tracks whose separation is no more than 4.5 feet.
Answer:
The expected number of the people at the reception whose favorite snack will be chips is 1152
Step-by-step explanation:
Given
The data in the above table and
Reception = 3600
Required
Predict the number of the people at the reception whose favorite snack will be chips.
The first step is to determine the total number of samples;
The next step is to determine the fraction of people whose favorite is chips
The product of the above fraction and the expected number of people in the reception is the solution to this question;
<em>Hence, the expected number of the people at the reception whose favorite snack will be chips is 1152</em>
Multiple different forms in the picture attached - for these problems use Math-way is super easy
First is the exact form
