20 nickels = 1 dollar
So, do 20 x 17.
20 x 17 = 340 nickels which is $17.
The answer is 340 nickels!
-3/5 because you multiply 9/10 by -2/3
Answer: The average age is 7.1 years.
This problem is an example of when we need to take a weighted average. We simply can't just find the average of 5 and 8, because there are different children of each each.
To start, lets multiply the total number of children by their individual ages.
6 x 5 = 30 years
14 x 8 = 112 years
There are 142 years among the 20 years, so divide 142 by 20. This gives us an average age of 7.1 years.
Answer:
812 ounces
Step-by-step explanation:
There are 16 ounces in a pound, so 50×16 = 800. And since 12 is already in ounces 800 + 12 = 812 ounces in total.
