Answer:
12
Step-by-step explanation:
let x be the number of men
4:7 = x:21
4/7 = x/21
7x = 84
x = 12
-7.5 / -2.5 = 3
------------
Answer:
Step-by-step explanation:
4 and a half
A. The graph will be continuous because the amount of gas that she added to the tank does not need to be an integer amount.