Answer:
10 nickels
Step-by-step explanation:
If she has a maximum of 66 cents and 12 are pennies than you need to see how many nickels go into 54 cents. You can only get 50 cents with nickels so you will have 10 nickels and 12 pennies for a total of 22 coins and 62 cents.
Answer:

Step-by-step explanation:
Combine Similar Elements: 

Combine Similar Elements: 

Subtract 14 From Both Sides

Simplify

Add
To Both Sides

Simplify

Divide Both Sides By 

Simplify

I got 0.55 when I did this problem. If I am wrong I am so sorry and please correct me.
<span>7.25 = 7 and 25/100 = 7 and 1/4</span>
<u>Answer-</u>

<u>Solution-</u>
Here, n represents the number of months and f(n) represents the number of laptops in the store after n months.
As the store had 150 laptops in the month of January or at the beginning.
So 
Every month, 20% of the laptops were sold and 10 new laptops were stocked in the store.
As 20% of laptops were sold, so 80% were in the store.
So, after one month total number of laptops in the store,


Again after one month total number of laptops in the store,


Analyzing the pattern, the recursive function f(n) will be,
