100% - 30% = 70%
70% = 0.7
6.30 / 0.7 = $9
answer: <span>original price of the books were $9</span>
Answer:
The answer is c I hope this helps
The answer for that would be 20.75
<span>David invested $1000. Let's solve for the amount of money to grow to the 18 months at 5.5% interest rate?
Let's assume that this 5.5% interest is per month.
=> 1 000 dollars * 0.055 = 55 dollars per month
=> 55 * 18 months = 990 dollars in 18 months.</span>
Answer:

Step-by-step explanation:
by using binomial property, we get the probability
