Asked by Katherine

If there are forty new students in a class and the students have to shake each others hand once, how many hand shakes will occur?

Pleas help me i am confused.............:(:(

i need a formula
Answered by Ms. Sue
Each student shakes 39 hands.

40 * 39 = ?

Answered by Katherine
so that would be 1560.....but my teacher want a formula so that it can work with any other number....please help
Answered by Ms. Sue
x(x - 1) = y

There are no AI answers yet. The ability to request AI answers is coming soon!