Olivia sold cookies at a constant rate. She sold 10 boxes of cookies in 3 hours at a local grocery store. Write an equation to represent the the number of boxes, n, that can be sold over any time interval in hours, A-t = 103n B-n = 103t C-n = 310t

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.

a

step-by-step explanation:

explanation:

remove parenthesis:

=

apply rule

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multiply fractions:

=

=

divide:

=

mordancy.