Answer:
6 handshakes
each person shakes 2 other hands, multiply that by 3 people. 2*3= 6
As it sounds, the idea itself.
Step-by-step explanation:
C= 2πr
C= 2 x 3.14 x 7
C = 43.96 inches
117
For every 3 zinc there would be 19 copper, and for every 19 copper there would be 3 zinc. There are 741 copper, so there would be 741 * 3 / 19 zinc, which turns out to be 117 zinc.
