Answer:
14
Step-by-step explanation:
To get the answer, add the whole numbers together and then add the fractions together:
9 + 4 = 13
(You can even stop here because 14 is the closest to 13)
Now, add the fractions:

To add fractions you have to have a common denominator. To find the common denominator multiply 3 by 5, and 5 by 3. Like this:

Simplify:
Distribute everything from above
Add
So, the whole fraction will look like this
. This is closest to 14.
Hope this helps!! Ask questions if you need!
Answer:
Step-by-step explanation:
<u>The difference in the amounts is the total interest:</u>
<u>Yearly interest is:</u>
<u>Time in years:</u>
X=10 because........
the opposite of 1/2=times 2
20 times 2=40
40 divided by 4=10, so
x=10
You can do a quick division to figure this out:
2 L / (0.21 L/day) = 9.5 days