Answer:
There would be $30 left after he buys the game.
Step-by-step explanation:
To find this, subtract the amount he spent from the amount that he had.
$50 - $20 = $30.
D. P(A x B)
To work out the success of both events you have to multiply them together. I'd seriously reccomend learning this rule as it's very important later on in mathematics as it's basically the foundation of all probability statistics.
The answer is 75% because 150/200 converted to a percent is 75%
150/200= 0.75
0.75 x 100 = 75%