A rectangular counter is to be made from concrete. The counter will have a rectangular opening for a sink. The dimensions are shown. The concrete weighs 50 pounds per cubic foot. The total weight of the counter must be less than 80 pounds

correct answers below:

exa:

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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.

6 and 24

step-by-step explanation:

6 x 4 = 24