A math teacher ordered 12 boxes of rulers. Each box contains 40 rulers. The math teacher also ordered 20 boxes of compasses. Each box contains 30 compasses. How many items did the math teacher order?

Also I put in 1080 and it didn’t work.

the mean and mad

step-by-step explanation:

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or  

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.