Answer:
-27
Step-by-step explanation:
-3 x -3=9
9 x -3= -27
step by step explanation:
Jake brought a car = 1500rs
Jake sell the car = 1800
profit = sp-cp
so profit = 1800-1500 = 300
profit percent = gain/cp×100
profit percent = 300/1500×100
profit percent = 20% (double zero are cancel and 300 divided by 15)
Answer: D
Step-by-step explanation:
Answer:
5 cents
Step-by-step explanation:
So the roulette wheel would have a total of 38 numbers, which means 38 different possible cases. Since you are allowed to bet on 5 numbers, the chance to win this is 5 out of 38 and to lose this is 33 out of 38.
If you win, you get 1 + 6 = 7 dollar, and if you lose, you lose 1 dollar.
Therefore the expected amount out of this game is:

or 5 cents
See the picture attached (excuse the cheesy drawing skills)
T means Tails, H means Heads