Monday
May 20, 2013

# Homework Help: math

Posted by unknown on Saturday, July 25, 2009 at 7:40pm.

is it:

-81+ 13= -68?

• math - Ms. Sue, Saturday, July 25, 2009 at 7:47pm

No.

Think of adding and subtracting negative numbers this way.

You owe \$81 (which is -81) on your charge card.

Then you add another charge of 13 (-13).

Now you owe -81 + (-13) = -94

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