Parenthesis, then exponents, then subtraction.
Alright so .25 oz is 1/4 of 1oz. Therefore you take 28 and divide it by 4 and get 7.
Then take 3500 and divide it by 7 which makes 500 thumb tacks.
I think idk though.
Answer:
Yes.
Step-by-step explanation:
going off of 60 it be 66, 72, then 78. meaning 6 is a multiple of 78.
The answer is 540.8
To find the mean all you have to do is add all the numbers together then divide that by how many numbers there are
Answer:
b. 2 cans of ink
Step-by-step explanation:
In order to calculate the number of cans you need to paint the complete wall, you first calculate the area of the wall by using the information about its width and height:

With one can you can paint 10m^2 of wall, with two cans you can paint 20m^2, which is enough to paint the wall of 12.5m^2.
Then, you need only two cans of ink
b. 2