Answer:
#3
Step-by-step explanation:
Answer:
Step-by-step explanation:
1.
James goes to an arcade.
He has one go on the Teddy Grabber.
He has one go on the Penny Drop.
The probability that he wins on the Teddy Grabber is 0.2.
The probability that he wins on the Penny Drop is 0.3.
(a) Complete the tree diagram.
Teddy Grabber
Penny Drop
Win
0.3
Win
0.2
Lose
Win
Lose
Lose
(2)
This is the Commutative Property of addition. called Commutative because the numbers move around to the other order, or "commute"
Gym a:
$65 + $20 per month
$65 + 20m m=month
gym b:
$25 + $35 per month with 20% discount
$25 + $28m