Answer:
0.3
Step-by-step explanation:
First you need to add 1/4 and 9/20, and you would get 7/10. That only leaves 3/10, which as a decimal is 0.3.
Answer:
a
Step-by-step explanation:
Heads, or tails. It's 1/2 a chance, because either way you will either land heads or tails. It would be a probability of 1-(1/2)^5. Can you solve that?
Answer:
Richard will pay $227.65. If you round it to the nearest dollar, it will be $228.
Step-by-step explanation:
If one roll is $7.85 and he buys 29 rolls, you multiply 7.85 X 29 and get 227.65.