what is your question i dont see it
Answer:
The scale factor is 1/4
Step-by-step explanation:
18/72 = 10/40 = 11/44
simplify all of those and you get 1/4.
Answer:
5
Step-by-step explanation:
The question is basically saying 3 + 2 which equals 5
Answer:
The proportion is 
Step-by-step explanation:
We have to:
In June 20 of 500 wagons failed
On July 25 of 625 wagons failed
If we call x the number of wagons and and the number of wagons that had failures then we have to for June:

For July we have

The proportions are the same for both months

The proportion is 
This means that of every 25 wagons, one has faults
Hi I think this answer would be b. A is backwards. C and d do not make sense