MNHS_HELP

Runners A and B practice in a round track going in opposite directions. Runner A takes 40 minutes to go once around the track. The two begin at the same time and meet every 15 minutes. How long does B take to go once around the track?

At a party, married people came with their husbands or wives. if half the women and 1/6 of the men in the party were single, what percentage of the people in the room were married?

The difference between the smallest and second smallest angles of a quadrilateral is equal to the difference between the biggest and second biggest angles. If the biggest angle is twice the smallest angle, what is the measure of the smallest angle? (Solut...

If the 4-digit number 4AB2 is divisible by 44, what are the values of A & B? (Solution pls...)

If 1+2+3+...+200=x, what is (1+2+3+...+200)-(2+4+6+...+200)? (solution pls... tnx)