Answer:
3
Step-by-step explanation:
30% is 30/100 reduce to 3/10.
20/100 = 0.20
0.20 * 9 = 1.8
9 - 1.8 = 7.2
The sale price of the DVD is $7.20.
Answer:
The scale of the model is 1 in.:15 ft.
Step-by-step explanation:
In order to find this, first express the terms that you know.
3 in.:45 ft.
Now simplify by dividing both by the greatest common factor, which in this case is 3.
1 in.:15ft.
The Rule of 72 is a basic method to decide how stretched an investment
will take to double. It is specified with a fixed annual rate of interest. The
annual rate of return would be divided by 72, stockholders can now get an
approximate guess of how many years it will take for the original investment to
duplicate itself.
So basically, the formula is 72/r where r is the annual
rate. So the solution for this is to divide 72 by 18, to get the answer. The answer
is 4 years.
Answer:
20 fluid ounces
Step-by-step explanation:
Each cup contains 8 fl oz. This means that if you multiply 2.5 times 8, you get 20.
If you want to break it down more, you can multiply the 2 * 8, then multiply the .5 * 8. Then add the answers together. So.... you get 16 + 4 = 20 fl oz.