Answer: 
Step-by-step explanation:
Given
There is
of ham available which costs
cost
i.e.

and we know

So, 
thus 
Answer: 50 cents
Step-by-step explanation:
$2.00÷4= 0.50
each candy bar is 50 cents.
maybe give a little more effort next time because this was a very simple question :)
Answer:
a < 42
Step-by-step explanation:
Question : 4a + 9a - 6a < 42
Answer :
4a + 9a - 6a < 42
Combine like terms.
13a - 6a < 42
7a < 42
Divide both sides by 7.
a < 42
Hope this helps you :-)
Let me know if you have any other questions :-)
1000 meters are 1km so 700 meters
Equation would be b = 14m