165+172=337
172/337 is the experimental probability of tails.
Hope this helps!
6.506875 is the answer because 7.25% out of 100 is .0725 and 89.75 times that is 6.506875
Bro be careful with the link
They should get $7.50, because you multiply the adults by two, then the children by three, and add it all together
I recommend u use the app called photomath. It works a lot.