60
7:3
7+3=10
60/10=6
6*7=42
6*3=18
42 cars
18 trucks
1.false
2. true
3.true
4.false
Hope this helps!
Answer:

Step-by-step explanation:

Using this rule we have:

Answer:
See below.
Step-by-step explanation:
A. k = 50 * 3.6 = 180.
B. The equation is y = 180/x.
C. When x = 75, y = 180/75
= 2.4.
D. Checking C: 2.4 = 180/75 = 2.4. Correct
hay that no solution because the root is irrational... and this is my answer