If you mean what goes in the blanks, it is 5 for the first empty box and 10 for the second empty box.
We have been given that Jenna saves $3 for every $13 dollars she earns. Vanessa saves $6 for every $16 she earns.
We can compare the ratios of saved money to earned money by Jenna and Vanessa as:
Let us simplify our equation.
We can see that 
, therefore, Jenna's ratio of money saved to money earned is not equivalent to Vanessa's ratio of money saved to money earned.
The submarine would be 1,620 ft if i’m understanding the question correctly
Answer:
Set up an equation
-4+x=4 Add 4 to each side
x=8
So
-4 plus eight is 4
I believe you cant fix one rather you need a new one. It runs about 300 plus labor
