A newspaper delivery person receives 400 papers every day. On a typical day she delivers 87 to a townhouse complex, 134 to houses on the east side and sells the rest from a booth. How many paper are sold from the booth?
No, it really isn't difficult:
400 papers minus townhouse papers - 134 house papers = Booth papers
400 - 87 - 134 = Booth Papers = ___________ papers You should finish !