Answer: 
Step-by-step explanation:
As per given,
Number of wives = 
Number of sacks = 
Number of cats = 

Number of kits = 
Now , the total number of kits, cats, sacks, and wives going to St. Ives = 
Hence, the required ex[pression: 
Answer:
it's 5 because 20 -15 is 5
<span>2.1e-10
= 2.1 x 10^-10
= 0.00000000021
hope it helps</span>
I'll just clarify the choices you gave:
-<span>maximum amount of money you can charge on the credit card time before the credit card company starts charging late fees
</span>-l<span>east amount of money that must be paid at the end of a month
</span>-<span>period of time before the credit card company starts charging interest
If these are correct, then the answer is 'period of time before the credit card company starts charging interest'. </span>