Answer:
13.5
Step-by-step explanation:
12/4=3
9/3=3
4.5x3=13.5
The answer is 70 because if you multiply the money she spends by the number of days you get 15. Then subtract 15 from 85 and you will get 70
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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!
A linear equation is y=mx+b