Answer:
A
Step-by-step explanation:
The formula for this type of interest is 
, where A is the total amount, P is the initial investment, x is the interest rate, n is the amount of times that the investment is compounded a year, and t is the amount of years. Plugging in the numbers given, you get:
Now, she invests this into a new account, and you can set up the following equation:
, or option A.
Hope this helps!
Answer:
7n = 12+ 3n
Step-by-step explanation:
The first thing to do is subtract 3n from 7n. This would get you 4n = 12. 4 times 3 equals 12, so n equals 3.
To check your answer. 21 = 12+9. sure enough it matches our answer
Answer: Not sure, but Ill go with C.
Step-by-step explanation:
9 5/6+5 1/6= 14 6/6=15
Most Simplified Answer: 15
Hi there! To find the total cost after the markup, all you have to do is multiply by 105% (1.05), because you’re incorporating the cost of jeans bought plus the markup. 50 * 1.05 is 52.5. The jeans costed $52.50 after the markup.
